| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Trehac | city | Auvergne | France | 44.95 | 2.84 | 3408 | 1592 |
| Trehafod | city | Rhondda Cynon Taf | United Kingdom | 51.61 | -3.38 | 374 | 47166 |
| Trehar | city | Balochistan | Pakistan | 29.21 | 68.24 | 400 | 4554 |
| Treharne | city | Oregon | United States | 45.84 | -123.22 | 830 | |
| Treharris | city | Merthyr Tydfil | United Kingdom | 51.67 | -3.31 | 830 | 47590 |
| Trehda | city | Punjab | Pakistan | 33.13 | 73.38 | 1669 | 39302 |
| Trehe Kebir | city | Sila | Chad | 12.62 | 20.20 | 1669 | 894 |
| Trehe Nal | city | Jammu and Kashmir | India | 32.97 | 76.04 | 10068 | 12513 |
| Trehe Serir | city | Sila | Chad | 12.57 | 22.13 | 1994 | 894 |
| Trehearn | city | Matabeleland North | Zimbabwe | -19.57 | 28.75 | 4189 | 1043 |
| Trehearn A | city | Matabeleland North | Zimbabwe | -19.57 | 28.75 | 4189 | 1043 |
| Trehearn B | city | Matabeleland North | Zimbabwe | -19.57 | 28.72 | 4189 | 1043 |
| Trehearn Extension | city | Matabeleland North | Zimbabwe | -19.55 | 28.72 | 4189 | 1043 |
| Treherbert | city | Rhondda Cynon Taf | United Kingdom | 51.67 | -3.53 | 997 | 45238 |
| Treherne | city | Manitoba | Canada | 49.63 | -98.70 | 1197 | 832 |
| Treherne (South Norfolk Airpark) Airport | airport | 49.66 | -98.67 | 1190 | 0 | ||
| Treherne Airport | airport | 49.63 | -98.67 | 1200 | 0 | ||
| Treherneville | city | Virginia | United States | 37.43 | -75.89 | 36 | |
| Treherz | city | Baden-Wurttemberg | Germany | 47.93 | 10.05 | 2509 | 6378 |
| Trehet | city | Centre-Val de Loire | France | 47.73 | 0.62 | 331 | 3411 |
| Trehgor'e | city | Chechnya | Russia | 42.99 | 45.77 | 1801 | 2607 |
| Trehiguier | city | Bretagne | France | 47.49 | -2.44 | 29 | 4807 |
| Trehinais | city | Bretagne | France | 48.21 | -1.35 | 344 | 4448 |
| Trehlovë | city | Vlore | Albania | 40.48 | 19.64 | 944 | 5037 |
| Trehoj | city | Sjaelland | Denmark | 55.05 | 11.79 | 16 | 925 |
| Trehoje | city | Sjaelland | Denmark | 55.05 | 11.79 | 16 | 925 |
| Treholz | city | Schleswig-Holstein | Germany | 54.67 | 9.63 | 150 | 1043 |
| Trehorna | city | Ostergotland | Sweden | 58.15 | 14.83 | 830 | 442 |
| Trehorna | city | Kronoberg | Sweden | 56.53 | 14.83 | 403 | 889 |
| Trehornahult | city | Jonkoping | Sweden | 57.22 | 13.35 | 830 | 1458 |
| Trehorninge | city | Ostergotland | Sweden | 58.22 | 15.35 | 830 | 566 |
| Trehorningen | city | Oslo | Norway | 60.10 | 10.73 | 1669 | 2714 |
| Trehorningen | city | Vasterbotten | Sweden | 64.57 | 19.63 | 889 | 3 |
| Trehorningen | city | Vasterbotten | Sweden | 64.38 | 20.92 | 223 | 149 |
| Trehorningen | city | Vasterbotten | Sweden | 64.23 | 17.92 | 1062 | 0 |
| Trehorningen | city | Vasterbotten | Sweden | 64.02 | 20.15 | 830 | 1682 |
| Trehorningen | city | Vasternorrland | Sweden | 63.42 | 18.72 | 830 | 410 |
| Trehorningen | city | Orebro | Sweden | 58.98 | 14.43 | 830 | 1045 |
| Trehorningstorp | city | Jonkoping | Sweden | 58.07 | 14.93 | 830 | 5022 |
| Trehowel | city | Limpopo | South Africa | -24.28 | 28.31 | 5029 | 140 |
| Trehunan | city | Uttar Pradesh | India | 25.56 | 83.35 | 200 | 105620 |
| Trehuse | city | Midtjylland | Denmark | 56.34 | 9.28 | 236 | 3575 |
| Trehörningen | city | Vasterbotten | Sweden | 64.47 | 21.03 | 206 | 1277 |
| Trehörningen | city | Varmland | Sweden | 59.87 | 12.70 | 830 | 342 |
| Trehörningen | city | Vastmanland | Sweden | 59.90 | 15.77 | 830 | 1123 |
| Trehörningsbäck | city | Vasterbotten | Sweden | 64.37 | 20.95 | 354 | 149 |
| Trehörningsjö | city | Vasternorrland | Sweden | 63.70 | 18.80 | 830 | 206 |
| Trehøj | city | Sjaelland | Denmark | 55.05 | 11.79 | 16 | 925 |
| Trehøje | city | Sjaelland | Denmark | 55.05 | 11.79 | 16 | 925 |
| Trehørna | city | Ostergotland | Sweden | 58.15 | 14.83 | 830 | 442 |
| Trehørna | city | Kronoberg | Sweden | 56.53 | 14.83 | 403 | 889 |
| Trehørnahult | city | Jonkoping | Sweden | 57.22 | 13.35 | 830 | 1458 |
| Trehørninge | city | Ostergotland | Sweden | 58.22 | 15.35 | 830 | 566 |
| Trehørningen | city | Oslo | Norway | 60.10 | 10.73 | 1669 | 2714 |
| Trehørningsjø | city | Vasternorrland | Sweden | 63.70 | 18.80 | 830 | 206 |
| Trehørningstorp | city | Jonkoping | Sweden | 58.07 | 14.93 | 830 | 5022 |