| Location | Locality | Coordinates
(links to map & photo sources) | OS grid
reference |
| Trealaw | Rhondda, Cynon, Taff | 51°37′N 3°28′W / 51.61°N 03.46°W / 51.61; -03.46 | SS9992 |
| Treales | Lancashire | 53°47′N 2°51′W / 53.78°N 02.85°W / 53.78; -02.85 | SD4432 |
| Treamble | Cornwall | 50°22′N 5°07′W / 50.36°N 05.12°W / 50.36; -05.12 | SW7856 |
| Trearddur | Isle of Anglesey | 53°16′N 4°37′W / 53.27°N 04.62°W / 53.27; -04.62 | SH2579 |
| Treath | Cornwall | 50°05′N 5°08′W / 50.09°N 05.13°W / 50.09; -05.13 | SW7626 |
| Treator | Cornwall | 50°32′N 4°58′W / 50.53°N 04.96°W / 50.53; -04.96 | SW9075 |
| Tre-Aubrey | The Vale Of Glamorgan | 51°26′N 3°23′W / 51.43°N 03.39°W / 51.43; -03.39 | ST0372 |
| Trebanog | Rhondda, Cynon, Taff | 51°36′N 3°26′W / 51.60°N 03.43°W / 51.60; -03.43 | ST0190 |
| Trebanos | Neath Port Talbot | 51°43′N 3°52′W / 51.71°N 03.86°W / 51.71; -03.86 | SN7103 |
| Trebarber | Cornwall | 50°25′N 5°01′W / 50.41°N 05.01°W / 50.41; -05.01 | SW8662 |
| Trebartha | Cornwall | 50°34′N 4°27′W / 50.56°N 04.45°W / 50.56; -04.45 | SX2677 |
| Trebarwith | Cornwall | 50°38′N 4°45′W / 50.64°N 04.75°W / 50.64; -04.75 | SX0586 |
| Trebarwith Strand | Cornwall | 50°38′N 4°46′W / 50.64°N 04.77°W / 50.64; -04.77 | SX0486 |
| Trebeath | Cornwall | 50°39′N 4°28′W / 50.65°N 04.47°W / 50.65; -04.47 | SX2587 |
| Tre-Beferad | The Vale Of Glamorgan | 51°24′N 3°28′W / 51.40°N 03.46°W / 51.40; -03.46 | SS9868 |
| Trebell Green | Cornwall | 50°25′N 4°44′W / 50.42°N 04.74°W / 50.42; -04.74 | SX0562 |
| Treberfydd | Powys | 51°55′N 3°17′W / 51.91°N 03.28°W / 51.91; -03.28 | SO1225 |
| Trebetherick | Cornwall | 50°34′N 4°55′W / 50.56°N 04.92°W / 50.56; -04.92 | SW9378 |
| Trebilcock | Cornwall | 50°24′N 4°50′W / 50.40°N 04.83°W / 50.40; -04.83 | SW9960 |
| Treble's Holford | Somerset | 51°05′N 3°13′W / 51.09°N 03.21°W / 51.09; -03.21 | ST1533 |
| Tre-boeth | Swansea | 51°38′N 3°57′W / 51.64°N 03.95°W / 51.64; -03.95 | SS6596 |
| Treborough | Somerset | 51°07′N 3°25′W / 51.11°N 03.41°W / 51.11; -03.41 | ST0136 |
| Trebudannon | Cornwall | 50°25′N 4°58′W / 50.41°N 04.97°W / 50.41; -04.97 | SW8961 |
| Trebullett | Cornwall | 50°34′N 4°22′W / 50.57°N 04.37°W / 50.57; -04.37 | SX3278 |
| Treburgett | Cornwall | 50°34′N 4°45′W / 50.57°N 04.75°W / 50.57; -04.75 | SX0579 |
| Treburgie | Cornwall | 50°26′N 4°32′W / 50.44°N 04.53°W / 50.44; -04.53 | SX2064 |
| Treburley | Cornwall | 50°34′N 4°20′W / 50.56°N 04.34°W / 50.56; -04.34 | SX3477 |
| Treburrick | Cornwall | 50°29′N 5°01′W / 50.49°N 05.01°W / 50.49; -05.01 | SW8670 |
| Trebyan | Cornwall | 50°26′N 4°43′W / 50.43°N 04.71°W / 50.43; -04.71 | SX0763 |
| Trecastle | Powys | 51°56′N 3°38′W / 51.94°N 03.63°W / 51.94; -03.63 | SN8829 |
| Trecenydd | Caerphilly | 51°34′N 3°14′W / 51.57°N 03.24°W / 51.57; -03.24 | ST1487 |
| Trecott | Devon | 50°47′N 3°56′W / 50.78°N 03.94°W / 50.78; -03.94 | SS6300 |
| Trecwn | Pembrokeshire | 51°56′N 4°58′W / 51.94°N 04.97°W / 51.94; -04.97 | SM9632 |
| Trecwn | Pembrokeshire | 51°56′N 4°57′W / 51.94°N 04.95°W / 51.94; -04.95 | SM9732 |
| Trecynon | Rhondda, Cynon, Taff | 51°43′N 3°28′W / 51.71°N 03.46°W / 51.71; -03.46 | SN9903 |
| Tredannick | Cornwall | 50°30′N 4°48′W / 50.50°N 04.80°W / 50.50; -04.80 | SX0171 |
| Tredaule | Cornwall | 50°36′N 4°30′W / 50.60°N 04.50°W / 50.60; -04.50 | SX2381 |
| Tredavoe | Cornwall | 50°05′N 5°34′W / 50.09°N 05.56°W / 50.09; -05.56 | SW4528 |
| Tredegar | Blaenau Gwent | 51°46′N 3°14′W / 51.77°N 03.24°W / 51.77; -03.24 | SO1409 |
| Trederwen | Powys | 52°43′N 3°05′W / 52.72°N 03.08°W / 52.72; -03.08 | SJ2715 |
| Tre-derwen | Powys | 52°46′N 3°08′W / 52.76°N 03.14°W / 52.76; -03.14 | SJ2319 |
| Tredethy | Cornwall | 50°30′N 4°44′W / 50.50°N 04.73°W / 50.50; -04.73 | SX0671 |
| Tredington | Warwickshire | 52°05′N 1°38′W / 52.08°N 01.63°W / 52.08; -01.63 | SP2543 |
| Tredington | Gloucestershire | 51°57′N 2°08′W / 51.95°N 02.14°W / 51.95; -02.14 | SO9029 |
| Tredinnick | Cornwall | 50°09′N 5°35′W / 50.15°N 05.58°W / 50.15; -05.58 | SW4434 |
| Tredinnick | Cornwall | 50°28′N 4°35′W / 50.46°N 04.59°W / 50.46; -04.59 | SX1666 |
| Tredinnick | Cornwall | 50°23′N 4°45′W / 50.39°N 04.75°W / 50.39; -04.75 | SX0459 |
| Tredinnick | Cornwall | 50°29′N 4°56′W / 50.49°N 04.93°W / 50.49; -04.93 | SW9270 |
| Tredinnick | Cornwall | 50°23′N 4°29′W / 50.38°N 04.49°W / 50.38; -04.49 | SX2357 |
| Tredogan | The Vale Of Glamorgan | 51°23′N 3°20′W / 51.39°N 03.33°W / 51.39; -03.33 | ST0767 |
| Tredomen | Powys | 51°58′N 3°17′W / 51.97°N 03.28°W / 51.97; -03.28 | SO1231 |
| Tredomen | Caerphilly | 51°38′N 3°15′W / 51.63°N 03.25°W / 51.63; -03.25 | ST1394 |
| Tredown | Devon | 50°56′N 4°31′W / 50.93°N 04.52°W / 50.93; -04.52 | SS2318 |
| Tredrizzick | Cornwall | 50°32′N 4°53′W / 50.54°N 04.89°W / 50.54; -04.89 | SW9576 |
| Tredunnock | Monmouthshire | 51°38′N 2°55′W / 51.64°N 02.91°W / 51.64; -02.91 | ST3794 |
| Tredustan | Powys | 51°58′N 3°16′W / 51.97°N 03.26°W / 51.97; -03.26 | SO1332 |
| Tredworth | Gloucestershire | 51°51′N 2°14′W / 51.85°N 02.23°W / 51.85; -02.23 | SO8417 |
| Treen (St Levan) | Cornwall | 50°02′N 5°38′W / 50.04°N 05.64°W / 50.04; -05.64 | SW3923 |
| Treen (Zennor) | Cornwall | 50°10′N 5°36′W / 50.17°N 05.60°W / 50.17; -05.60 | SW4337 |
| Treesmill | Cornwall | 50°22′N 4°42′W / 50.36°N 04.70°W / 50.36; -04.70 | SX0855 |
| Treeton | Rotherham | 53°22′N 1°21′W / 53.37°N 01.35°W / 53.37; -01.35 | SK4387 |
| Trefaes | Gwynedd | 52°51′N 4°36′W / 52.85°N 04.60°W / 52.85; -04.60 | SH2532 |
| Trefanny Hill | Cornwall | 50°23′N 4°32′W / 50.38°N 04.53°W / 50.38; -04.53 | SX2057 |
| Trefasser | Pembrokeshire | 51°59′N 5°04′W / 51.99°N 05.07°W / 51.99; -05.07 | SM8937 |
| Trefdraeth | Isle of Anglesey | 53°12′N 4°23′W / 53.20°N 04.39°W / 53.20; -04.39 | SH4070 |
| Trefeca | Powys | 51°59′N 3°15′W / 51.98°N 03.25°W / 51.98; -03.25 | SO1432 |
| Trefechan | Ceredigion | 52°24′N 4°05′W / 52.40°N 04.08°W / 52.40; -04.08 | SN5881 |
| Trefechan | Merthyr Tydfil | 51°46′N 3°24′W / 51.76°N 03.40°W / 51.76; -03.40 | SO0308 |
| Trefechan | Wrexham | 52°59′N 3°06′W / 52.99°N 03.10°W / 52.99; -03.10 | SJ2645 |
| Trefeglwys | Powys | 52°29′N 3°31′W / 52.49°N 03.51°W / 52.49; -03.51 | SN9790 |
| Trefeitha | Powys | 51°58′N 3°19′W / 51.97°N 03.31°W / 51.97; -03.31 | SO1031 |
| Trefenter | Ceredigion | 52°17′N 4°03′W / 52.29°N 04.05°W / 52.29; -04.05 | SN6068 |
| Treffgarne | Pembrokeshire | 51°52′N 4°58′W / 51.86°N 04.97°W / 51.86; -04.97 | SM9523 |
| Treffynnon | Flintshire | 53°16′N 3°14′W / 53.26°N 03.23°W / 53.26; -03.23 | SJ1875 |
| Treffynnon | Pembrokeshire | 51°54′N 5°08′W / 51.90°N 05.14°W / 51.90; -05.14 | SM8428 |
| Trefgarn Owen | Pembrokeshire | 51°53′N 5°07′W / 51.88°N 05.11°W / 51.88; -05.11 | SM8625 |
| Trefil | Blaenau Gwent | 51°47′N 3°16′W / 51.79°N 03.27°W / 51.79; -03.27 | SO1212 |
| Trefilan | Ceredigion | 52°11′N 4°08′W / 52.19°N 04.13°W / 52.19; -04.13 | SN5457 |
| Trefin | Pembrokeshire | 51°56′N 5°09′W / 51.94°N 05.15°W / 51.94; -05.15 | SM8332 |
| Treflach | Shropshire | 52°49′N 3°05′W / 52.81°N 03.09°W / 52.81; -03.09 | SJ2625 |
| Trefnanney | Powys | 52°43′N 3°11′W / 52.72°N 03.18°W / 52.72; -03.18 | SJ2015 |
| Trefnant | Denbighshire | 53°13′N 3°25′W / 53.21°N 03.42°W / 53.21; -03.42 | SJ0570 |
| Trefonen | Shropshire | 52°49′N 3°07′W / 52.82°N 03.11°W / 52.82; -03.11 | SJ2526 |
| Trefor | Isle of Anglesey | 53°17′N 4°26′W / 53.29°N 04.44°W / 53.29; -04.44 | SH3780 |
| Trefor | Gwynedd | 52°59′N 4°25′W / 52.98°N 04.42°W / 52.98; -04.42 | SH3746 |
| Treforda | Cornwall | 50°35′N 4°43′W / 50.59°N 04.72°W / 50.59; -04.72 | SX0781 |
| Treforest | Rhondda, Cynon, Taff | 51°35′N 3°19′W / 51.58°N 03.32°W / 51.58; -03.32 | ST0888 |
| Treforgan | Ceredigion | 52°05′N 4°37′W / 52.08°N 04.62°W / 52.08; -04.62 | SN2046 |
| Tre-Forgan | Neath Port Talbot | 51°44′N 3°45′W / 51.73°N 03.75°W / 51.73; -03.75 | SN7906 |
| Trefriw | Conwy | 53°09′N 3°49′W / 53.15°N 03.82°W / 53.15; -03.82 | SH7863 |
| Trefrize | Cornwall | 50°33′N 4°24′W / 50.55°N 04.40°W / 50.55; -04.40 | SX3076 |
| Tref-y-Clawdd | Powys | 52°20′N 3°03′W / 52.34°N 03.05°W / 52.34; -03.05 | SO2872 |
| Trefynwy | Monmouthshire | 51°48′N 2°43′W / 51.80°N 02.72°W / 51.80; -02.72 | SO5012 |
| Tregada | Cornwall | 50°36′N 4°20′W / 50.60°N 04.34°W / 50.60; -04.34 | SX3481 |
| Tregadgwith | Cornwall | 50°04′N 5°36′W / 50.06°N 05.60°W / 50.06; -05.60 | SW4225 |
| Tregadillett | Cornwall | 50°37′N 4°25′W / 50.62°N 04.41°W / 50.62; -04.41 | SX2983 |
| Tre-gagle | Monmouthshire | 51°45′N 2°41′W / 51.75°N 02.69°W / 51.75; -02.69 | SO5207 |
| Tregaian | Isle of Anglesey | 53°17′N 4°19′W / 53.28°N 04.32°W / 53.28; -04.32 | SH4579 |
| Tregajorran | Cornwall | 50°13′N 5°16′W / 50.21°N 05.26°W / 50.21; -05.26 | SW6740 |
| Tregamere | Cornwall | 50°26′N 4°56′W / 50.43°N 04.93°W / 50.43; -04.93 | SW9264 |
| Tregardock | Cornwall | 50°37′N 4°46′W / 50.61°N 04.77°W / 50.61; -04.77 | SX0483 |
| Tregare | Monmouthshire | 51°47′N 2°51′W / 51.78°N 02.85°W / 51.78; -02.85 | SO4110 |
| Tregargus | Cornwall | 50°20′N 4°53′W / 50.34°N 04.89°W / 50.34; -04.89 | SW9453 |
| Tregarland | Cornwall | 50°23′N 4°28′W / 50.38°N 04.46°W / 50.38; -04.46 | SX2557 |
| Tregarlandbridge | Cornwall | 50°23′N 4°28′W / 50.38°N 04.47°W / 50.38; -04.47 | SX2457 |
| Tregarne | Cornwall | 50°03′N 5°06′W / 50.05°N 05.10°W / 50.05; -05.10 | SW7822 |
| Tregaron | Ceredigion | 52°13′N 3°56′W / 52.21°N 03.94°W / 52.21; -03.94 | SN6759 |
| Tregarrick Mill | Cornwall | 50°23′N 4°32′W / 50.38°N 04.53°W / 50.38; -04.53 | SX2057 |
| Tregath | Gwynedd | 53°11′N 4°05′W / 53.18°N 04.09°W / 53.18; -04.09 | SH6067 |
| Tregatillian | Cornwall | 50°26′N 4°56′W / 50.43°N 04.93°W / 50.43; -04.93 | SW9263 |
| Tregatta | Cornwall | 50°39′N 4°46′W / 50.65°N 04.76°W / 50.65; -04.76 | SX0587 |
| Tregavarah | Cornwall | 50°06′N 5°35′W / 50.10°N 05.58°W / 50.10; -05.58 | SW4429 |
| Tregear | Cornwall | 50°04′N 5°13′W / 50.06°N 05.22°W / 50.06; -05.22 | SW6923 |
| Tregeare | Cornwall | 50°38′N 4°29′W / 50.64°N 04.49°W / 50.64; -04.49 | SX2486 |
| Tregeiriog | Wrexham | 52°53′N 3°14′W / 52.88°N 03.23°W / 52.88; -03.23 | SJ1733 |
| Tregele | Isle of Anglesey | 53°23′N 4°29′W / 53.39°N 04.48°W / 53.39; -04.48 | SH3592 |
| Tregellist | Cornwall | 50°33′N 4°49′W / 50.55°N 04.82°W / 50.55; -04.82 | SX0077 |
| Tregeseal | Cornwall | 50°07′N 5°41′W / 50.12°N 05.68°W / 50.12; -05.68 | SW3732 |
| Tregew | Cornwall | 50°10′N 5°05′W / 50.16°N 05.08°W / 50.16; -05.08 | SW8034 |
| Tre-Gibbon | Rhondda, Cynon, Taff | 51°44′N 3°28′W / 51.73°N 03.46°W / 51.73; -03.46 | SN9905 |
| Tregidden | Cornwall | 50°04′N 5°08′W / 50.06°N 05.14°W / 50.06; -05.14 | SW7523 |
| Treginnis | Pembrokeshire | 51°52′N 5°19′W / 51.86°N 05.31°W / 51.86; -05.31 | SM7224 |
| Treglemais | Pembrokeshire | 51°54′N 5°11′W / 51.90°N 05.18°W / 51.90; -05.18 | SM8128 |
| Tregolls | Cornwall | 50°11′N 5°11′W / 50.18°N 05.18°W / 50.18; -05.18 | SW7336 |
| Tregona | Cornwall | 50°29′N 5°02′W / 50.48°N 05.03°W / 50.48; -05.03 | SW8569 |
| Tregonce | Cornwall | 50°31′N 4°56′W / 50.51°N 04.93°W / 50.51; -04.93 | SW9273 |
| Tregonetha | Cornwall | 50°26′N 4°53′W / 50.43°N 04.88°W / 50.43; -04.88 | SW9563 |
| Tregonna | Cornwall | 50°31′N 4°56′W / 50.51°N 04.94°W / 50.51; -04.94 | SW9172 |
| Tregonning | Cornwall | 50°23′N 5°01′W / 50.38°N 05.01°W / 50.38; -05.01 | SW8658 |
| Tregony | Cornwall | 50°16′N 4°55′W / 50.26°N 04.92°W / 50.26; -04.92 | SW9245 |
| Tregoodwell | Cornwall | 50°37′N 4°40′W / 50.61°N 04.67°W / 50.61; -04.67 | SX1183 |
| Tregorden | Cornwall | 50°32′N 4°49′W / 50.53°N 04.82°W / 50.53; -04.82 | SX0074 |
| Tregorrick | Cornwall | 50°19′N 4°47′W / 50.32°N 04.79°W / 50.32; -04.79 | SX0151 |
| Tregoss | Cornwall | 50°24′N 4°52′W / 50.40°N 04.87°W / 50.40; -04.87 | SW9660 |
| Tregoyd Mill | Powys | 52°01′N 3°11′W / 52.02°N 03.19°W / 52.02; -03.19 | SO1837 |
| Tregreenwell | Cornwall | 50°35′N 4°43′W / 50.58°N 04.72°W / 50.58; -04.72 | SX0780 |
| Tregrehan Mills | Cornwall | 50°20′N 4°45′W / 50.34°N 04.75°W / 50.34; -04.75 | SX0453 |
| Tregroes | Ceredigion | 52°04′N 4°20′W / 52.07°N 04.33°W / 52.07; -04.33 | SN4044 |
| Tregullon | Cornwall | 50°26′N 4°44′W / 50.44°N 04.73°W / 50.44; -04.73 | SX0664 |
| Tregunna | Cornwall | 50°31′N 4°52′W / 50.52°N 04.87°W / 50.52; -04.87 | SW9673 |
| Tregurrian | Cornwall | 50°26′N 5°01′W / 50.44°N 05.02°W / 50.44; -05.02 | SW8565 |
| Tregurtha Downs | Cornwall | 50°07′N 5°27′W / 50.12°N 05.45°W / 50.12; -05.45 | SW5331 |
| Tregyddulan | Pembrokeshire | 51°59′N 5°04′W / 51.98°N 05.07°W / 51.98; -05.07 | SM8936 |
| Tregynon | Powys | 52°34′N 3°20′W / 52.57°N 03.34°W / 52.57; -03.34 | SO0998 |
| Tre-gynwer | Carmarthenshire | 51°50′N 4°18′W / 51.84°N 04.30°W / 51.84; -04.30 | SN4119 |
| Trehafod | Rhondda, Cynon, Taff | 51°36′N 3°23′W / 51.60°N 03.38°W / 51.60; -03.38 | ST0491 |
| Trehafren | Powys | 52°30′N 3°20′W / 52.50°N 03.34°W / 52.50; -03.34 | SO0990 |
| Trehan | Cornwall | 50°23′N 4°15′W / 50.39°N 04.25°W / 50.39; -04.25 | SX4057 |
| Treharris | Merthyr Tydfil | 51°40′N 3°19′W / 51.66°N 03.31°W / 51.66; -03.31 | ST0997 |
| Trehemborne | Cornwall | 50°31′N 5°00′W / 50.51°N 05.00°W / 50.51; -05.00 | SW8773 |
| Treherbert | Rhondda, Cynon, Taff | 51°40′N 3°32′W / 51.67°N 03.53°W / 51.67; -03.53 | SS9498 |
| Tre-hill | The Vale Of Glamorgan | 51°27′N 3°19′W / 51.45°N 03.32°W / 51.45; -03.32 | ST0874 |
| Trehunist | Cornwall | 50°26′N 4°23′W / 50.44°N 04.38°W / 50.44; -04.38 | SX3163 |
| Tre-Ifor | Rhondda, Cynon, Taff | 51°44′N 3°28′W / 51.73°N 03.46°W / 51.73; -03.46 | SN9905 |
| Trekeivesteps | Cornwall | 50°30′N 4°31′W / 50.50°N 04.51°W / 50.50; -04.51 | SX2270 |
| Trekenner | Cornwall | 50°34′N 4°20′W / 50.57°N 04.34°W / 50.57; -04.34 | SX3478 |
| Trekenning | Cornwall | 50°25′N 4°57′W / 50.42°N 04.95°W / 50.42; -04.95 | SW9062 |
| Treknow | Cornwall | 50°38′N 4°45′W / 50.64°N 04.75°W / 50.64; -04.75 | SX0586 |
| Trelan | Cornwall | 50°01′N 5°09′W / 50.01°N 05.15°W / 50.01; -05.15 | SW7418 |
| Tre-lan | Flintshire | 53°10′N 3°14′W / 53.17°N 03.24°W / 53.17; -03.24 | SJ1765 |
| Trelash | Cornwall | 50°41′N 4°34′W / 50.68°N 04.57°W / 50.68; -04.57 | SX1890 |
| Trelawnyd | Flintshire | 53°18′N 3°23′W / 53.30°N 03.38°W / 53.30; -03.38 | SJ0879 |
| Trelech | Carmarthenshire | 51°56′N 4°30′W / 51.94°N 04.50°W / 51.94; -04.50 | SN2830 |
| Treleddyd-fawr | Pembrokeshire | 51°53′N 5°16′W / 51.89°N 05.27°W / 51.89; -05.27 | SM7527 |
| Treleigh | Cornwall | 50°14′N 5°13′W / 50.24°N 05.22°W / 50.24; -05.22 | SW7043 |
| Trelew | Cornwall | 50°10′N 5°04′W / 50.17°N 05.06°W / 50.17; -05.06 | SW8135 |
| Trelewis | Merthyr Tydfil | 51°40′N 3°18′W / 51.66°N 03.30°W / 51.66; -03.30 | ST1097 |
| Treligga | Cornwall | 50°37′N 4°45′W / 50.62°N 04.75°W / 50.62; -04.75 | SX0584 |
| Trelights | Cornwall | 50°34′N 4°50′W / 50.57°N 04.84°W / 50.57; -04.84 | SW9979 |
| Trelill | Cornwall | 50°34′N 4°46′W / 50.56°N 04.76°W / 50.56; -04.76 | SX0478 |
| Trelion | Cornwall | 50°20′N 4°55′W / 50.33°N 04.91°W / 50.33; -04.91 | SW9352 |
| Treliske | Cornwall | 50°16′N 5°05′W / 50.26°N 05.08°W / 50.26; -05.08 | SW8045 |
| Trelissick | Cornwall | 50°13′N 5°02′W / 50.21°N 05.04°W / 50.21; -05.04 | SW8339 |
| Treliver | Cornwall | 50°27′N 4°50′W / 50.45°N 04.84°W / 50.45; -04.84 | SW9865 |
| Trellech | Monmouthshire | 51°44′N 2°43′W / 51.74°N 02.72°W / 51.74; -02.72 | SO5005 |
| Trelleck Grange | Monmouthshire | 51°42′N 2°44′W / 51.70°N 02.73°W / 51.70; -02.73 | SO4901 |
| Trelogan | Flintshire | 53°18′N 3°20′W / 53.30°N 03.33°W / 53.30; -03.33 | SJ1180 |
| Treloquithack | Cornwall | 50°07′N 5°14′W / 50.11°N 05.23°W / 50.11; -05.23 | SW6929 |
| Trelowia | Cornwall | 50°22′N 4°24′W / 50.37°N 04.40°W / 50.37; -04.40 | SX2956 |
| Trelowth | Cornwall | 50°19′N 4°49′W / 50.32°N 04.82°W / 50.32; -04.82 | SW9951 |
| Trelystan | Powys | 52°37′N 3°05′W / 52.62°N 03.09°W / 52.62; -03.09 | SJ2603 |
| Tremadog | Gwynedd | 52°56′N 4°08′W / 52.93°N 04.14°W / 52.93; -04.14 | SH5640 |
| Tremail | Cornwall | 50°38′N 4°36′W / 50.64°N 04.60°W / 50.64; -04.60 | SX1686 |
| Tremain | Ceredigion | 52°06′N 4°35′W / 52.10°N 04.58°W / 52.10; -04.58 | SN2348 |
| Tremaine | Cornwall | 50°40′N 4°30′W / 50.66°N 04.50°W / 50.66; -04.50 | SX2388 |
| Tremains | Bridgend | 51°29′N 3°34′W / 51.49°N 03.57°W / 51.49; -03.57 | SS9179 |
| Tremar | Cornwall | 50°29′N 4°28′W / 50.48°N 04.46°W / 50.48; -04.46 | SX2568 |
| Trematon | Cornwall | 50°24′N 4°16′W / 50.40°N 04.26°W / 50.40; -04.26 | SX3959 |
| Trematon Castle | Cornwall | 50°23′N 4°14′W / 50.39°N 04.23°W / 50.39; -04.23 | SX4157 |
| Tremayne | Cornwall | 50°10′N 5°18′W / 50.16°N 05.30°W / 50.16; -05.30 | SW6435 |
| Trembraze | Cornwall | 50°27′N 4°28′W / 50.45°N 04.46°W / 50.45; -04.46 | SX2565 |
| Tremedda | Cornwall | 50°11′N 5°34′W / 50.19°N 05.56°W / 50.19; -05.56 | SW4639 |
| Tremeirchion | Denbighshire | 53°14′N 3°23′W / 53.24°N 03.38°W / 53.24; -03.38 | SJ0873 |
| Tremethick Cross | Cornwall | 50°07′N 5°35′W / 50.11°N 05.58°W / 50.11; -05.58 | SW4430 |
| Tremore | Cornwall | 50°26′N 4°48′W / 50.44°N 04.80°W / 50.44; -04.80 | SX0164 |
| Tremorebridge | Cornwall | 50°26′N 4°49′W / 50.44°N 04.81°W / 50.44; -04.81 | SX0064 |
| Tremorfa | Cardiff | 51°29′N 3°09′W / 51.48°N 03.15°W / 51.48; -03.15 | ST2077 |
| Tre-Mostyn | Flintshire | 53°18′N 3°17′W / 53.30°N 03.29°W / 53.30; -03.29 | SJ1479 |
