Tiachiv
| Tiachiv Тячів | |
|---|---|
| City centre panorama | |
| Coordinates: 48°00′41″N 23°34′20″E / 48.01139°N 23.57222°E | |
| Country | Ukraine | 
| Oblast | Zakarpattia Oblast | 
| Raion | Tiachiv Raion | 
| Hromada | Tiachiv urban hromada | 
| Founded | 1326 | 
| Incorporated | 1961 | 
| Government | |
| • Mayor | Іvan Kovach (Ivan Kovacs) | 
| Population  (2022) | |
|  • Total | 8,887 | 
| • Density | 1,839.780/km2 (4,765.01/sq mi) | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Postal code | 90500 | 
| Area code | +380-3134 | 
| Climate | Dfb | 
| Website | tyachiv | 
Tiachiv (Ukrainian: Тячів, IPA: [ˈtʲɑtʃiu̯]; Rusyn: Тячово; Hungarian: Técső; Yiddish: טעטש, romanized: Tetsh) is a city located on the Tisza River in Zakarpattia Oblast (region) in western Ukraine. It is the administrative center of Tiachiv Raion (district). Today, the population is 8,887 (2022 estimate).