San Dorligo della Valle (Slovene: Dolina; Triestine: Dolina or San Dorligo) is a comune (municipality) in the Regional decentralization entity of Trieste in the Italian region of Friuli-Venezia Giulia, located about 4 kilometres (2.5 miles) southeast of Trieste, on the border with Slovenia.

In 2003, the denomination Dolina was adopted as the official name of the settlement in both languages;[4] however, the municipality is still called San Dorligo della Valle in Italian.

"San Dorligo" (archaically “Durlic”) is the Tergestine dialectal form of the name of the town's patron saint, Ulrich of Augsburg (Sant'Ulderico).

It enjoys a relatively mild Mediterranean climate, although the harsh and cold bora wind frequently blows in the autumn and winter months.

Home of a spring festival known as the Majenca (held in May) which culminates in the falling of a cherry tree, tied to the top of a tall pole.