Cokuni is located in the municipality Marčana, in Istra County at an elevation of 171 meters above sea level and it covers the area of 2.07 km² (0.80 sq. miles). According to the 2011 census report, there were 71 inhabitants. It is predominantly populated by Croats (94%), but also Italians (4%). Nearby places: Mutvoran, Mali Vareški, Veliki Vareški, Peruški, Šegotići, Krnica, Marčana, Pavićini, Pinezići and Muntić.