Vysoký Hrádek is a Renaissance castle in Temelín, Czech Republic Lords of Březí, from the court of Knín and Býšov originally constructed the fortress and courtyard. The first records we have are of Albert of Březí, who died in 1367. The fortress was inherited by his son, Svatomír, and then by another two sons of Albert, Smil and Bušek. After the Lords of Březí died out, the fortress, called Hrádek, was inherited by their relatives, the Lords of Býšov.