class="fn org" | Tregony | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregoodwell | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregorden | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregorrick | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregoss | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregoyd Mill | class="adr" | Powys | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregreenwell | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregrehan Mills | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregroes | class="adr" | Ceredigion | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregullon | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregunna | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregurrian | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregurtha Downs | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregyddulan | class="adr" | Pembrokeshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tregynon | class="adr" | Powys | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tre-gynwer | class="adr" | Carmarthenshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trehafod | class="adr" | Rhondda, Cynon, Taff | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trehafren | class="adr" | Powys | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trehan | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Treharris | class="adr" | Merthyr Tydfil | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trehemborne | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Treherbert | class="adr" | Rhondda, Cynon, Taff | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tre-hill | class="adr" | The Vale Of Glamorgan | class="note" | | class="note" | |-