Cerion is located in the municipality Višnjan, in Istra County at an elevation of 318 meters above sea level and it covers the area of 1.24 km² (0.48 sq. miles). According to the 2011 census report, there were 65 inhabitants. It is predominantly populated by Croats (92%), but also Italians (8%). Nearby places: Prhati, Diklići, Vranići kod Višnjana, Prašćari, Vejaki, Barići, Kurjavići, Štuti, Brig and Rapavel.