| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| T'a'areshi | city | | Eritrea | 15.4605556 | 38.8138889 | 7536 | 38728 |
| T'i'o | city | | Eritrea | 14.6908333 | 40.96 | 3 | 338 |
| T'walet | city | | Eritrea | 15.6 | 39.4666667 | 0 | 1356 |
| Tachinyaw Dengolo | city | | Eritrea | 15.4725 | 39.1341667 | 1673 | 4567 |
| Tachinyaw Dongolo | city | | Eritrea | 15.4725 | 39.1341667 | 1673 | 4567 |
| Taclai | city | | Eritrea | 17.5666667 | 38.85 | 0 | 1009 |
| Tacul | city | | Eritrea | 15.0258333 | 39.045 | 6305 | 16890 |
| Tahara | city | | Eritrea | 16.5666667 | 38.1833333 | 2975 | 2805 |
| Takita | city | | Eritrea | 15 | 38.8 | 6397 | 32581 |
| Taklai | city | | Eritrea | 17.5666667 | 38.85 | 0 | 1009 |
| Takīta | city | | Eritrea | 15 | 38.8 | 6397 | 32581 |
| Tala | city | | Eritrea | 15.1219444 | 38.7736111 | 6532 | 36447 |
| Tantarna | city | | Eritrea | 15.7833333 | 38.45 | 4648 | 8139 |
| Tantarua | city | | Eritrea | 15.7833333 | 38.45 | 4648 | 8139 |
| Tappa Nefasit | city | | Eritrea | 15.3333333 | 39.0619444 | 5475 | 35070 |
| Targhan | city | | Eritrea | 12.65 | 42.4 | 1555 | 901 |
| Tarua | city | | Eritrea | 15.4 | 39.5166667 | 633 | 2208 |
| Tauda | city | | Eritrea | 15.1666667 | 37.4666667 | 3005 | 4228 |
| Tawlad | city | | Eritrea | 15.6 | 39.4666667 | 0 | 1356 |
| Tegheren | city | | Eritrea | 14.8 | 39.3333333 | 7411 | 7296 |
| Tek'lay | city | | Eritrea | 17.5666667 | 38.85 | 0 | 1009 |
| Tekʼlay | city | | Eritrea | 17.5666667 | 38.85 | 0 | 1009 |
| Tera Imni | city | | Eritrea | 15.0111111 | 38.8258333 | 6479 | 34550 |
| Tera Imnī | city | | Eritrea | 15.0111111 | 38.8258333 | 6479 | 34550 |
| Tera-Emni | city | | Eritrea | 15.0111111 | 38.8258333 | 6479 | 34550 |
| Tera-Emnī | city | | Eritrea | 15.0111111 | 38.8258333 | 6479 | 34550 |
| Teramni | city | | Eritrea | 15.0111111 | 38.8258333 | 6479 | 34550 |
| Tesene | city | | Eritrea | 15.11 | 36.6575 | 1971 | 1489 |
| Tesenei | city | | Eritrea | 15.11 | 36.6575 | 1971 | 1489 |
| Teseney | city | | Eritrea | 15.11 | 36.6575 | 1971 | 1489 |
| Tessenei | city | | Eritrea | 15.11 | 36.6575 | 1971 | 1489 |
| Tetafil | city | | Eritrea | 16.1 | 38.3333333 | 3667 | 6922 |
| Thio | city | | Eritrea | 14.6908333 | 40.96 | 3 | 338 |
| Ticho | city | | Eritrea | 14.6908333 | 40.96 | 3 | 338 |
| Ticse | city | | Eritrea | 16.5833333 | 38.6166667 | 2526 | 2805 |
| Time'i | city | | Eritrea | 14.6558333 | 38.8605556 | 6719 | 7089 |
| Timeʼī | city | | Eritrea | 14.6558333 | 38.8605556 | 6719 | 7089 |
| Tinishu Aseb | city | | Eritrea | 13.0272222 | 42.7427778 | 0 | 386 |
| Tinishu Assab | city | | Eritrea | 13.0272222 | 42.7427778 | 0 | 386 |
| Tinishu Āseb | city | | Eritrea | 13.0272222 | 42.7427778 | 0 | 386 |
| Tio | city | | Eritrea | 14.6908333 | 40.96 | 3 | 338 |
| Tiyo | city | | Eritrea | 14.6908333 | 40.96 | 3 | 338 |
| Tkul | city | | Eritrea | 14.8033333 | 38.2469444 | 5154 | 7652 |
| Tof Alaba | city | | Eritrea | 16.5166667 | 38.2 | 3166 | 2832 |
| Tognuf | city | | Eritrea | 16.1833333 | 37.45 | 1899 | 1393 |
| Tokombiya | city | | Eritrea | 14.7836111 | 37.4736111 | 2644 | 3258 |
| Tole | city | | Eritrea | 15.08333 | 37.7975 | 3287 | 4161 |
| Tole | city | | Eritrea | 14.9833333 | 37.8166667 | 3077 | 3250 |
| Tolesuca | city | | Eritrea | 14.6166667 | 36.9166667 | 2736 | 1559 |
| Tredishi | city | | Eritrea | 15.2555556 | 39.0297222 | 5478 | 38345 |
| Tredīshī | city | | Eritrea | 15.2555556 | 39.0297222 | 5478 | 38345 |
| Trongo | city | | Eritrea | 15.8666667 | 38.3666667 | 4711 | 7283 |
| Ts'e'ada | city | | Eritrea | 15.3102778 | 38.8586111 | 7493 | 38699 |
| Ts'egwaro | city | | Eritrea | 15.0313889 | 39.025 | 6414 | 23649 |
| Ts'elot | city | | Eritrea | 15.2822222 | 38.9669444 | 7568 | 38357 |
| Tsa'edakristyan | city | | Eritrea | 15.3338889 | 38.8505556 | 7657 | 38704 |
| Tsazega | city | | Eritrea | 15.35 | 38.8 | 7447 | 38638 |
| Tsaʼedakristyan | city | | Eritrea | 15.3338889 | 38.8505556 | 7657 | 38704 |
| Tse'azega | city | | Eritrea | 15.35 | 38.8 | 7447 | 38638 |
| Tseret | city | | Eritrea | 15.3986111 | 39.1830556 | 2526 | 4662 |
| Tseʼazega | city | | Eritrea | 15.35 | 38.8 | 7447 | 38638 |
| Tsibuk Grat | city | | Eritrea | 15.05 | 38.3736111 | 4816 | 5275 |
| Tsorena | city | | Eritrea | 14.6252778 | 39.2002778 | 5095 | 4613 |
| Tsʼegwaro | city | | Eritrea | 15.0313889 | 39.025 | 6414 | 23649 |
| Tsʼelot | city | | Eritrea | 15.2822222 | 38.9669444 | 7568 | 38357 |
| Tsʼeʼāda | city | | Eritrea | 15.3102778 | 38.8586111 | 7493 | 38699 |
| Tucul | city | | Eritrea | 14.8033333 | 38.2469444 | 5154 | 7652 |
| Tucul | city | | Eritrea | 15.0258333 | 39.045 | 6305 | 16890 |
| Tukul | city | | Eritrea | 14.8033333 | 38.2469444 | 5154 | 7652 |
| Tzada Addi | city | | Eritrea | 14.8819444 | 38.3627778 | 4452 | 7649 |
| Tzada Christian | city | | Eritrea | 15.3338889 | 38.8505556 | 7657 | 38704 |
| Tzada-Cristian | city | | Eritrea | 15.3338889 | 38.8505556 | 7657 | 38704 |
| Tʼaʼāreshī | city | | Eritrea | 15.4605556 | 38.8138889 | 7536 | 38728 |
| Tʼwalet | city | | Eritrea | 15.6 | 39.4666667 | 0 | 1356 |
| Tʼīʼo | city | | Eritrea | 14.6908333 | 40.96 | 3 | 338 |
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