Bielsk, Masovian Voivodeship

Bielsk is a village in Płock County, Masovian Voivodeship, in central Poland. It is the seat of the gmina (administrative district) called Gmina Bielsk. It lies approximately 16 km north-east of Płock and 96 km north-west of Warsaw.

Bielsk was granted Chełmno town rights in 1373.

Sport
Bielsk is home to the amateur football club Ludowy Klub Sportowy (LKS) Zryw Bielsk, established in 1955. The club currently competes in the Klasa okręgowa (grupa płocka) league's 6th division.