Wales
T
- Tabernacl
- Tabor
- Tafarn-y-bwlch
- Tafarn-y-Gelyn
- Tafarnaubach
- Taff's Well
- Tafolog
- Tafolwern
- Tai Esther
- Tai-bach
- Tai-Drill
- Tai-Hirion
- Tai-nant
- Tai-yr-Ysgol
- Tai'r Bull
- Tai'r-heol
- Tai'r-ysgol
- Taibach
- Taigwynion
- Tainant
- Tair Onen
- Tairgwaith
- Tal-sarn
- Tal-y-bont, Wales
- Tal-y-bont, Conwy
- Tal-y-bont, Gwynedd
- Tal-y-cae
- Tal-y-cafn
- Tal-y-coed
- Tal-y-llyn, Gwynedd
- Tal-y-Llyn, Wales
- Tal-y-waenydd
- Tal-y-waun
- Tal-y-Wern
- Talacharn
- Talachddu
- Talacre
- Talardd
- Talbenny
- Talbot Green
- Talerddig
- Talerddigg
- Talgarreg
- Talgarth
- Taliaris
- Taliesin
- Tallarn Green
- Talley
- Tallistown
- Talog
- Talsarn, Wales
- Talsarn, Ceredigion
- Talsarnau
- Talwrn, Wales
- Talwrn, Wrexham
- Talybont
- Talybont-on-Usk
- Talyclun
- Talyllychau
- Talysarn
- Talywain
- Talywern
- Tan Hinon
- Tan-lan
- Tan-y-bwlch
- Tan-y-coed
- Tan-y-ffordd
- Tan-y-ffridd
- Tan-y-foel
- Tan-y-fron
- Tan-y-graig, Isle of Anglesey
- Tan-y-Graig, Wales
- Tan-y-groes
- Tan-y-Lan
- Tan-y-maes
- Tan-yr-allt, Wales
- Tan-yr-allt, Isle of Anglesey
- Tan-yr-ogof Farm
- Tanat Valley
- Tandinas
- Tanerdy
- Tangiers
- Tanglwst
- Tanlan
- Tanlan Banks
- Tanyfron
- Tanygrisiau
- Tanysgafell
- Tarw, Wern
- Tavernspite
- Te-Wian
- Tegryn
- Temple Bar, Wales
- Temple Bar, Ceredigion
- Templeton, Wales
- Tenby
- Terfyn
- The Burrows
- The Butts, Vale of Glamorgan
- The Chequer
- The City, Powys
- The Colony
- The Duffryn
- The Fence
- The Flags
- The Gate
- The Graig
- The Green, Carmarthenshire
- The Green, Pembrokeshire
- The Green, Powys
- The Hendre
- The Herberts
- The Island
- The Knap
- The Laques
- The Leys, Vale of Glamorgan
- The Marsh, Pembrokeshire
- The Marsh, Powys
- The Moor, Flintshire
- The Mumbles
- The Nant
- The Narth
- The Philog
- The Pill
- The Quar
- The Rhos
- The Roe
- The Slade, Pembrokeshire
- The Smelt
- The Square, Flintshire
- The Stubb
- The Tumble
- The Village, Newport
- The W auns
- The Warren, Wales
- The Wern
- The Willowford
- The Wintles
- Thistleboon
- Thomas Chapel
- Thomas Town, Wales
- Thomastown
- Thorn, Powys
- Thornbury, Powys
- Thornhill, Caerphilly
- Thornhill, Cardiff
- Thornhill, Torfaen
- Thornton, Pembrokeshire
- Three Cocks
- Three Crosses, Wales
- Three Fingers
- Tidenham
- Tidenham Chase
- Tiers Cross
- Tintern
- Tintern Parva
- Tir Syr Walter
- Tir-Nest
- Tir-Phil
- Tir-y-berth
- Tir-y-Dail
- Tir-y-Fron
- Tirabad
- Tircanol
- Tircoed
- Tirdeunaw
- Tirpenry
- Tirphill
- Tiryberth
- Tirycoed
- TiryMynach, Wales
- TiryMynach, Powys
- Todleth
- Ton
- Ton Pentre
- Ton-Breigam
- Ton-fanau
- Ton-mawr
- Ton-Teg
- Ton-ty'r-bel
- Ton-y-pistyll
- Tondu
- Tonfanau
- Tongwynlais
- Tonmawr
- Tonna
- Tonypandy
- Tonyrefail
- Top Hill
- Top-y-rhos
- Tor y Mynydd
- Torllwyn
- Torpantau
- Totterton
- Tower Hill, Pembrokeshire
- Townhill, Swansea
- Townsend, Pembrokeshire
- Towyn
- Traethsaith
- Trallong
- Trallwm
- Trallwn
- Tranch
- Trapp
- Trauscoed
- Traws-Mawr
- Trawscoed
- Trawsfynydd
- Trawsgoed
- Tre Taliesin
- Tre-Aubrey
- Tre-Bevan
- Tre-Boeth
- Tre-carren
- Tre-Castell
- Tre-Cwn
- Tre-Derwen
- Tre-Dodridge
- Tre-ffynnon
- Tre-gagle
- Tre-Gibbon
- Tre-groes
- Tre-gwyr
- Tre-Gynwal, Pont
- Tre-gynwr
- Tre-Herbert
- Tre-hill
- Tre-lai
- Tre-lan
- Tre-Mostyn
- Tre-pit
- Tre-rhiwarth
- Tre-Rhos
- Tre-Tio
- Tre-Vaughan, Wales
- Tre-Vaughan, Carmarthenshire
- Tre-Walkin
- Tre-Wen
- Tre-Worgan
- Tre-Wylan
- Tre-Ysgawen
- Tre'r llai
- Tre'r-Ddol
- Tre'r-gaer
- Tre'r-gof
- Tre'r-Llan
- Trealaw
- Trearddur
- Trearddur Bay
- Trebannws
- Trebanog
- Trebanos
- Trebedw
- Trebefered
- Trebella
- Treberth
- Treberth Estate
- Trebettyn
- Treborth
- Trecastell
- Trecastle
- Trecco Bay
- Trecelyn
- Trecenydd
- Trecwn
- Trecynon
- Tredean
- Tredegar
- Tredegar Park
- Trederwen
- Tredogan
- Tredomen, Wales
- Tredomen, Powys
- Tredowen
- Tredunnock
- Tredustan
- Tredwstan
- Tref-Asser
- Tref-Caereinion
- Tref-Einon
- Tref-nanney
- Tref-y-Clawdd
- Tref-y-nant
- Trefaes
- Trefaldwyn
- Trefarthen
- Trefasser
- Trefawr, Noyadd
- Trefdraeth, Wales
- Trefdraeth, Isle of Anglesey
- Trefecca
- Trefechan, Wales
- Trefechan, Merthyr Tydfil
- Trefechan, Wrexham
- Trefeglwys
- Trefeini
- Trefeitha
- Trefenter
- Trefenty
- Treffgarne
- Trefflemin
- Treffynnon, Wales
- Treffynnon, Pembrokeshire
- Trefgarn Owen
- Trefgraig
- Trefil
- Trefilan
- Trefin
- Treflodan
- Trefnanney
- Trefnant, Wales
- Trefnant, Powys
- Trefor, Wales
- Trefor, Isle of Anglesey
- Treforest
- Treforys
- Trefri
- Trefriw
- Trefwrdan
- Trefynwy
- Tregaian
- Tregare
- Tregaron
- Tregarth
- Tregeiriog
- Tregele
- Treglemais
- Tregof Village
- Tregolwyn
- Tregoyd
- Tregoyd Mill
- Tregroes
- Tregyddylan
- Tregynon
- Tregynrig
- Trehafod
- Trehafren
- Trehale
- Treharris
- Trehedyn
- Trehelig
- Treherbert
- Trelales
- Trelawnyd
- Trelech
- Treleddyd-fawr
- Treleidr
- Trelerw
- Treletert
- Trelewis
- Trellech
- Trelleck
- Trelleck Grange
- Trelogan
- Trelydan
- Trelyn, Upper
- Trelystan
- Tremadog
- Tremain
- Tremains
- Tremarchog
- Tremeirchion
- Tremorfa, Wales
- Tremorfa, Conwy
- Treoes
- Treopert
- Treorchy
- Treorci
- Treowen
- Trerew, Great
- Trerhingyll
- Trerhyngyll
- Tresaith
- Tresigin
- Tresimwn
- Trethomas
- Tretio
- Tretower
- Tretwr
- Treuddyn
- Trevalyn
- Trevaughan
- Trevethin
- Trevine
- Trevinert
- Trevor
- Trevor Uchaf
- Trewallter
- Trewarren
- Trewent
- Trewern, Wales
- Trewern, Powys
- Trewyddfa-fach
- Trewyn, Bwlch
- Trewythen
- Triffleton
- Trimsaran
- Trinant
- Troed-rhiw-dalar
- Troed-rhiw-trwyn
- Troed-rhiw'r-fuwch
- Troed-y-rhiw, Wales
- Troed-y-rhiw, Pembrokeshire
- Troed-y-rhiw-sion
- Troed-yr-hen-riw
- Troedrhiw-gwair
- Troedrhiw-Trwyn
- Troedrhiwdalar
- Troedyrhiw
- Trofarth
- Trooper's Inn
- Trosnant
- Trostra
- Trostre Cottage
- Trostrey Common
- Trostrey Court
- Trowbridge, Cardiff
- Troy, Mitchel
- Tryfel
- Tuberville Site (Works)
- Tudur, Pandy
- Tudweiliog
- Tufton, Pembrokeshire
- Tumble
- Tumble, The
- Tutshill
- Tutshills
- Twmpath
- Twmpath-Mawr
- Two Locks
- Twt Hill
- Twy Cross
- Twyn
- Twyn Cynhordy
- Twyn Llanan
- Twyn Wenallt
- Twyn-blaen-nant
- Twyn-carno
- Twyn-Shon-Ifan
- Twyn-y-Boli
- Twyn-y-Sheriff
- Twyn-y-Waun
- Twyn-yr-argoed
- Twyn-yr-odyn
- Twynllanan
- Twynmynydd
- Twynyrodyn
- Twynysheriff
- Ty Canol
- Ty Coch
- Ty Croes
- Ty Isaf
- Ty Llwyn
- Ty Mawr
- Ty Rhiw
- Ty-coch
- Ty-draw
- Ty-Du
- Ty-isaf
- Ty-llwyd, Wales
- Ty-llwyd, Neath Port Talbot
- Ty-Mawr
- Ty-nant
- Ty-newydd
- Ty-Rhos
- Ty-Sign
- Ty-Talwyn
- Ty'n-twr
- Ty'n-y-bryn
- Ty'n-y-caeau
- Ty'n-y-cefn
- Ty'n-y-coedcae
- Ty'n-y-garn
- Ty'n-y-graig
- Ty'n-y-groes
- Ty'n-y-lon
- Ty'n-y-weirglodd
- Ty'n-yr-eithin
- Ty'r fran
- Tybroughton Hall
- Tycribwr
- Tycroes
- Tycrwyn
- Tyddewi
- Tyddyn Phillip
- Tydfil, Merthyr
- Tydfil's Well
- Tydraw
- Tyglyn
- Tyla
- Tylagwym
- Tyle
- Tylorstown
- Tylwch
- Tyn-y-cwm
- Tyn-y-maes
- Tyn-y-Morfa
- Tyn-yr-Heol Road
- Tynant, Wales
- Tynant, Conwy
- Tyncelyn
- Tyndyrn
- Tynewydd, Wales
- Tynewydd, Rhondda Cynon Taf
- Tynewydd Row
- Tyntetown
- Tynybedw
- Tynygongl
- Tynygraig
- Tynyreithin
- Tyrfran
- Tyrhiw Estate Taff's Well
- Tythegston
- Tywely, Pont
- Tywyllach
- Tywyn, Wales
- Tywyn, Conwy
- Tywyn Fferam