Koromani is located in the municipality Barban, in Istra County at an elevation of 290 meters above sea level and it covers the area of 0.97 km² (0.37 sq. miles). According to the 2011 census report, there were 52 inhabitants. It is entirely populated by Croats. Nearby places: Jurićev Kal, Prhati, Vadreš, Draguzeti, Balići, Melnica, Rojnići, Rajki, Kožljani and Rudani.