Boljunčica is a river in inland Istria, Croatia. It discharges into the Adriatic Sea near Plomin. It is 33 kilometres (21 mi) long and it has a basin with an area of 230 square kilometres (89 sq mi). Its average discharge at the measurement station in Polje Čepić (covering 183 km2 of the basin) is 0.956 m3/s, and it can go completely dry.
|Length||33 km (21 mi)|
|Basin size||230 km2 (89 sq mi)|