Peruški is located in the municipality Marčana, in Istra County at an elevation of 74 meters above sea level and it covers the area of 9.04 km² (3.49 sq. miles). According to the 2011 census report, there were 251 inhabitants. It is predominantly populated by Croats (95%), but also. Nearby places: Mali Vareški, Šegotići, Cokuni, Veliki Vareški, Pavićini, Mutvoran, Krnica, Kavran, Marčana and Rakalj.