Province of Trieste
| Province of Trieste | |
|---|---|
| Regional Decentralization Entity of Trieste Ente di decentramento regionale di Trieste (Italian) | |
| Piazza Vittorio Veneto in Trieste, housing the provincial seat in the palace at left | |
| Map highlighting the location of the province of Trieste in Italy | |
| Country | Italy | 
| Region | Friuli-Venezia Giulia | 
| Established | 1920 | 
| Disestablished | 30 September 2017 | 
| Capital(s) | Trieste | 
| Comuni | 6 | 
| Government | |
| • President | Paolo Viola | 
| Area | |
|  • Total | 212 km2 (82 sq mi) | 
| Population  (2025) | |
|  • Total | 228,049 | 
| • Density | 1,100/km2 (2,800/sq mi) | 
| GDP | |
| • Total | €7.886 billion (2015) | 
| • Per capita | €33,490 (2015) | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Postal code | 34121-34151 (Trieste); 34010-34018 (surroundings) | 
| Telephone prefix | 040 | 
| ISO 3166 code | IT-TS | 
| Vehicle registration | TS | 
| ISTAT | 032 | 
The province of Trieste (Italian: provincia di Trieste) is a province in the autonomous Friuli-Venezia Giulia region of Italy. Its capital is the city of Trieste. It has an area of 212 square kilometres (82 sq mi) and a population of 228,049. It has a coastal length of 48.1 kilometres (29.9 mi). Abolished in 2017, it was reestablished in 2019 as the regional decentralization entity of Trieste (Italian: ente di decentramento regionale di Trieste; Slovene: enota deželne decentralizacije Trst; Friulian: ent di decentrament regjonâl di Triest), and was reactivated on 1 July 2020.