Písek  (Polish: Piosek ) (literally "sand") is a village in Frýdek-Místek District, Moravian-Silesian Region of the Czech Republic. It has 1,783 inhabitants (2001 Census), 21% of the population are the Poles. It lies in the Silesian Beskids mountain range, in the historical region of Cieszyn Silesia. Olza River flows through the village.