Duino-Aurisina is a comune (municipality) in the Province of Trieste in the Italian region of Friuli-Venezia Giulia. Lying near the border with Slovenia, it has a substantial Slovene population. It is named by the two major settlements, Duino (Devin) and Aurisina (Nabrežina). The town lies on the Adriatic coast about 15 kilometres (9 mi) northwest of Trieste, on the border with Slovenia. Duino-Aurisina borders the following municipalities: Komen (Slovenia), Doberdò del Lago, Monfalcone, Sežana (Slovenia), Sgonico, Trieste.