| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Taciewo | city | Poland | 54.17 | 22.80 | 643 | 1059 | |
| Taczki | city | Poland | 53.70 | 22.28 | 577 | 1017 | |
| Tajenko | city | Poland | 53.70 | 22.88 | 429 | 1979 | |
| Tajno Lanowe | city | Poland | 53.73 | 22.88 | 403 | 1898 | |
| Tajno Podjeziorne | city | Poland | 53.72 | 22.87 | 416 | 2031 | |
| Tajno Stare | city | Poland | 53.72 | 22.87 | 416 | 2031 | |
| Tajno Łanowe | city | Poland | 53.73 | 22.88 | 403 | 1898 | |
| Talau | city | Poland | 53.83 | 21.77 | 479 | 1906 | |
| Talheim | city | Poland | 54.23 | 22.00 | 488 | 1605 | |
| Talken | city | Poland | 53.92 | 22.02 | 643 | 2180 | |
| Talken | city | Poland | 53.77 | 22.27 | 620 | 1629 | |
| Talki | city | Poland | 53.77 | 22.27 | 620 | 1629 | |
| Talki | city | Poland | 53.92 | 22.02 | 643 | 2180 | |
| Talten | city | Poland | 53.85 | 21.57 | 426 | 2486 | |
| Talty | city | Poland | 53.85 | 21.57 | 426 | 2486 | |
| Talussen | city | Poland | 53.80 | 22.25 | 574 | 1198 | |
| Talusy | city | Poland | 53.80 | 22.25 | 574 | 1198 | |
| Tamkowo | city | Poland | 53.85 | 22.12 | 465 | 1667 | |
| Tannau | city | Poland | 54.05 | 22.25 | 488 | 1497 | |
| Tannau Ostpreussen | city | Poland | 54.05 | 22.25 | 488 | 1497 | |
| Tannenberg | city | Poland | 54.22 | 22.03 | 479 | 1620 | |
| Tannenheim | city | Poland | 53.55 | 21.72 | 436 | 3702 | |
| Tarlawki | city | Poland | 54.17 | 21.62 | 472 | 3727 | |
| Tartaczysko | city | Poland | 54.00 | 23.28 | 452 | 747 | |
| Tartak | city | Poland | 54.10 | 23.10 | 439 | 977 | |
| Tartarren | city | Poland | 54.25 | 22.33 | 826 | 4172 | |
| Tarławki | city | Poland | 54.17 | 21.62 | 472 | 3727 | |
| Tatary | city | Poland | 54.25 | 22.33 | 826 | 4172 | |
| Tatzken | city | Poland | 53.70 | 22.28 | 577 | 1017 | |
| Tałty | city | Poland | 53.85 | 21.57 | 426 | 2486 | |
| Teichwalde | city | Poland | 54.04 | 22.36 | 538 | 3266 | |
| Teichwalde Ostpreussen | city | Poland | 54.04 | 22.36 | 538 | 3266 | |
| Thalussen | city | Poland | 53.80 | 22.25 | 574 | 1198 | |
| Thewelkehmen | city | Poland | 54.30 | 22.60 | 734 | 1291 | |
| Thiemau | city | Poland | 53.98 | 21.72 | 492 | 7422 | |
| Thiergarten | city | Poland | 54.22 | 21.68 | 433 | 3668 | |
| Thomasfelde | city | Poland | 54.22 | 22.22 | 656 | 3860 | |
| Thomken | city | Poland | 53.90 | 22.57 | 501 | 1969 | |
| Thowelkehmen | city | Poland | 54.30 | 22.60 | 734 | 1291 | |
| Thurowen | city | Poland | 53.53 | 21.92 | 564 | 3193 | |
| Thurowen | city | Poland | 53.92 | 22.77 | 561 | 1953 | |
| Thurowen Kreis Lyck | city | Poland | 53.92 | 22.77 | 561 | 1953 | |
| Tiefen | city | Poland | 53.98 | 21.95 | 521 | 1481 | |
| Tobolowo | city | Poland | 53.98 | 23.17 | 442 | 655 | |
| Tobołowo | city | Poland | 53.98 | 23.17 | 442 | 655 | |
| Topilowka | city | Poland | 53.90 | 22.90 | 426 | 2131 | |
| Topiłówka | city | Poland | 53.90 | 22.90 | 426 | 2131 | |
| Trakiszki | city | Poland | 54.25 | 23.20 | 505 | 2240 | |
| Treuburg | city | Poland | 54.03 | 22.49 | 528 | 6182 | |
| Treugenfliess | city | Poland | 54.28 | 21.85 | 360 | 1348 | |
| Trockenhorn | city | Poland | 53.80 | 21.77 | 426 | 1332 | |
| Trojansdorf | city | Poland | 53.65 | 22.33 | 452 | 1570 | |
| Tros | city | Poland | 53.95 | 21.63 | 505 | 1918 | |
| Trossen | city | Poland | 53.95 | 21.63 | 505 | 1918 | |
| Truchsen | city | Poland | 53.92 | 21.85 | 419 | 320 | |
| Truszki Patory | city | Poland | 53.53 | 22.07 | 626 | 2415 | |
| Truszki Zalesie | city | Poland | 53.52 | 22.07 | 610 | 2414 | |
| Trygort | city | Poland | 54.22 | 21.68 | 433 | 3668 | |
| Trzciane | city | Poland | 54.12 | 22.83 | 643 | 4024 | |
| Trzcianka | city | Poland | 54.32 | 23.02 | 659 | 1701 | |
| Trzonken | city | Poland | 53.68 | 21.82 | 413 | 3534 | |
| Trzonki | city | Poland | 53.68 | 21.82 | 413 | 3534 | |
| Tuchlin | city | Poland | 53.82 | 21.80 | 423 | 1618 | |
| Tuchlinen | city | Poland | 53.82 | 21.80 | 423 | 1618 | |
| Tuchlinnen | city | Poland | 53.82 | 21.80 | 423 | 1618 | |
| Tulkeim | city | Poland | 54.30 | 22.60 | 734 | 1291 | |
| Turau | city | Poland | 53.53 | 21.92 | 564 | 3193 | |
| Turoscheln | city | Poland | 53.52 | 21.60 | 436 | 3222 | |
| Turosl Mala | city | Poland | 53.52 | 21.62 | 439 | 3269 | |
| Turowen | city | Poland | 53.53 | 21.92 | 564 | 3193 | |
| Turowen Kreis Johannisburg | city | Poland | 53.53 | 21.92 | 564 | 3193 | |
| Turowka | city | Poland | 53.87 | 22.85 | 442 | 808 | |
| Turowka | city | Poland | 54.15 | 22.80 | 643 | 909 | |
| Turowka Stara | city | Poland | 54.15 | 22.83 | 659 | 1027 | |
| Turowo | city | Poland | 53.53 | 21.92 | 564 | 3193 | |
| Turowo | city | Poland | 53.92 | 22.77 | 561 | 1953 | |
| Turośl | city | Poland | 53.52 | 21.60 | 436 | 3222 | |
| Turośl Mała | city | Poland | 53.52 | 21.62 | 439 | 3269 | |
| Twierdza Boyen | city | Poland | 54.05 | 21.77 | 482 | 36382 | |
| Tylne Pogobie | city | Poland | 53.53 | 21.75 | 436 | 3621 |