Province of Trieste

Province of Trieste
Provincia di Trieste (Italian)
Tržaška pokrajina (Slovene)
Provincie di Triest (Friulian)
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
Established1920
Disestablished30 September 2017
Capital(s)Trieste
Municipalities6
Government
 • PresidentPaolo Viola
Area
 • Total
212.51 km2 (82.05 sq mi)
Population
 (2025)
 • Total
227,792
 • Density1,071.9/km2 (2,776.2/sq mi)
GDP
 • Total€7.886 billion (2015)
 • Per capita€33,490 (2015)
Time zoneUTC+1 (CET)
 • Summer (DST)UTC+2 (CEST)
Postal code
34121-34151 (Trieste); 34010-34018 (surroundings)
Telephone prefix040
ISO 3166 codeIT-TS
Vehicle registrationTS
ISTAT032

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 a population of 227,792 in an area of 212 square kilometres (82 mi2). 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.

The province contains 6 municipalities (comuni). It is the smallest province in Italy by area, and its land area is much smaller than large Italian cities.