The province of Trieste is a province in the autonomous Friuli-Venezia Giulia region of Italy. Its capital was the city of Trieste. It had an area of 212 square kilometres and it had a total population of 234,668. It had a coastal length of 48.1 kilometres. Abolished in 2017, it was reestablished in 2019 as the regional decentralization entity of Trieste, and was reactivated on 1 July 2020. The province contains 6 comuni.