Vodnjan is a town and municipality in Istria county, Croatia.
Vodnjan is situated 10 km north of Pula, on elevation of 135 m. It is located at the intersection of the main road Buje - Pula (M2, E751) and the regional road Vodnjan - Fazana, as well as on the railroad Divaca - Pula.
Chief occupations include farming, viniculture, olive growing, livestock breeding and tourism. The famous Bumbar Fiesta is held in Vodnjan (in August), based on the ethnological heritage of the local population -Bumbari. The traditional livestock fair is held every first Saturday in the month, known throughout Istria.