Drzewica [dʐɛˈvʲit͡sa] is a town in Opoczno County, Łódź Voivodeship, Poland, with 4,022 inhabitants (2004). Located on the Drzewiczka river (a tributary to the Pilica), in northwestern corner of historic province of Lesser Poland, Drzewica is home to Gerlach, a renowned cutlery manufacturer, founded in 1760 in Warsaw (since 1886 in Drzewica). In the first half of the 16th century, the Archbishop of Gniezno and Primate of Poland Maciej Drzewicki built here a rectangular-shaped castle, surrounded by a moat.