Județul Trei Scaune | |
|---|---|
County (Județ) | |
 Trei Scaune County prefecture building during the interwar period, currently Covasna County library in Sfântu Gheorghe. | |
 Coat of arms | |
 | |
| Country |  Romania |
| Historic region | Transylvania |
| Capital city (Reședință de județ) | Sfântu Gheorghe |
| Established | 1925 |
| Disestablished by the 1938 Constitution of Romania | 27 February 1938 |
| Re-established | 1945 |
| Ceased to exist | Administrative reform of 1950 |
| Area | |
| • Total | 3,337 km2 (1,288 sq mi) |
| Population (1930) | |
| • Total | 136,122 |
| • Density | 41/km2 (110/sq mi) |
| Time zone | UTC+2 (EET) |
| • Summer (DST) | UTC+3 (EEST) |
Trei Scaune County is one of the historical counties of the Kingdom of Romania, in the historical region of Transylvania. The county seat was Sfântu Gheorghe.