Boljun (Italian: Bogliuno) is a village in the municipality of Lupoglav, in Istria County, Croatia.

[3] According to the 2021 census, its population was 64.

[2] In 2001, the village had 73 residents.

[4] According to the 1921 census, the majority of the population was Italian.

This Istria County geography article is a stub.