Rojci is located in the municipality Kaštelir-Labinci, in Istra County at an elevation of 120 meters above sea level and it covers the area of 1.21 km² (0.47 sq. miles). According to the 2011 census report, there were 65 inhabitants. It is largely populated by Croats (88%), but also Italians (8%). Nearby places: Roškići, Valentići, Brnobići, Kovači, Kaštelir, Labinci, Deklići, Krančići, Babići and Dvori.