 | Tabernabarria | Angiozar | ETXEA |  |
 | Tabernazarra | Angiozar | ETXEA |  |
 | Taketanekoa | Kalea | KALEKO ETXEA |  |
 | Taketanekoa | Aranerreka | LARREA, ZELAIA |  |
 | Tartufo | San Juan | ETXEA |  |
 | Tavesa | Elorregi | INDUSTRIA |  |
 | Tejerokoa | Osintxu | ETXEA |  |
 | Telesforo Aranzadi | Kalea | KALEA |  |
 | Telesforo Monzon | Kalea | PLAZA |  |
 | Tellaetxe | Kalea | PLAZA |  |
 | Telleria | Aritzeta | INDUSTRIA |  |
 | Telleria | Aritzeta | BASERRIA |  |
 | Telleria | Kalea | KALEA |  |
 | Telleta | Angiozar | AURKINTZA (paraje, termino...) |  |
 | Telletaburu | Angiozar | AURKINTZA (paraje, termino...) |  |
 | Teresionekoa | Kalea | KALEKO ETXEA |  |
 | Tintoreria | Kalea | KALEKO ETXEA |  |
 | Tintoreria | Kalea | ERAIKIN BAKARRA |  |
 | Tokialai | Osintxu | ETXEA |  |
 | Tokieder | Osintxu | ETXEA |  |
 | Tokieder | Kalea | PLAZA |  |
 | Topinburu | Basalgo | TONTORRA, GAINA (cima) |  |
 | Topinzuloko iturria | Osintxu | ITURRIA |  |
 | Torrekoa | Kalea | BASERRIA |  |
 | Torrekoa | Kalea | PLAZA |  |
 | Trabategi | Aranerreka | AURKINTZA (paraje, termino...) |  |
 | Trangoeta | Elorregi | AURKINTZA (paraje, termino...) |  |
 | Trangoeta | Angiozar | ERREKATXOA |  |
 | Trangoetaarroa | Angiozar | ARROA, UHARREA |  |
 | Tranpalubarri | Angiozar | TUMULUA |  |
 | Tranpalubarri | Angiozar | AURKINTZA (paraje, termino...) |  |
 | Transgal etxea | Elorregi | ETXEA |  |
 | Trenbidea | Osintxu | TRENBIDEA |  |
 | Trenbidetxea | Osintxu | ETXEA |  |
 | Trinitateko komentua | Kalea | KOMENTUA |  |
 | Troska | Basalgo | BASOA (bosque) |  |
 | Troskaerreka | Basalgo | ERREKATXOA |  |
 | Trukarriaga | Elorregi | MUGARRIA |  |
 | Txabeanekoa | Kalea | KALEKO ETXEA |  |
 | Txabolako tontorra | Osintxu | TONTORRA, GAINA (cima) |  |
 | Txabolaldea | Osintxu | BASOA (bosque) |  |
 | Txabolapea | Angiozar | BASOA (bosque) |  |
 | Txabolapea | San Juan | BASOA (bosque) |  |
 | Txabolazarra | Elorregi | TXABOLA, BORDA |  |
 | Txabolazuria | Basalgo | TXABOLA, BORDA |  |
 | Txabolondoa | Angiozar | BASOA (bosque) |  |
 | Txakursalla | Aritzeta | BASOA (bosque) |  |
 | Txakurzubi | Angiozar | SAKONA |  |
 | Txanponenekoa | Kalea | KALEKO ETXEA |  |
 | Txantxotenekoa | Kalea | KALEKO ETXEA |  |