Doberdò del Lago (Slovene: Doberdob) is a comune (municipality) in the Province of Gorizia in the Italian region Friuli-Venezia Giulia, located about 30 kilometres (19 mi) northwest of Trieste and about 11 kilometres (7 mi) southwest of Gorizia, and borders the following municipalities: Duino-Aurisina, Fogliano Redipuglia, Komen (Slovenia), Miren-Kostanjevica (Slovenia), Monfalcone, Ronchi dei Legionari, Sagrado, and Savogna d'Isonzo.