Pirelići is located in the municipality Oprtalj, in Istra County at an elevation of 50 meters above sea level and it covers the area of 2.49 km² (0.96 sq. miles). According to the 2011 census report, there were 49 inhabitants. It is mostly populated by Croats (63%), but also Italians (37%). Nearby places: Krajići, Antonci, Livade, Vižintini Vrhi, Bencani, Oprtalj, Golubići, Završje, Motovun and Brkač.