Urinj is located in the municipality Kostrena, in Primorje-Gorski Kotar County at an elevation of 95 meters above sea level and it covers the area of 0.28 km² (0.11 sq. miles). Nobody lives in Urinju anymore. but also Bosniaks (5%) and Serbs (2%). Nearby places: Randići, Kostrena Sveta Barbara, Maračići, Perovići, Šoići, Dujmići, Paveki, Rožmanići, Bakar and Plešići.