Piast Brewery is a defunct brewery, located in Wrocław, Poland. It was founded in 1872, when the city of Wrocław, known as Breslau, belonged to the German Empire. The brewery was founded by Carl Scholtz, and until 1910, its name was Brauerei Pfeifferhof Carl Scholtz. By 1945, the enterprise changed names three times: * Schultheiss`Brauerei AG, Abt. V (ZBv.Berlin) (1910–1920), * Schultheiss- Patzenhofer- Brauerei AG, Abt. V (1920–1938), * Schultheiss- Brauerei AG Berlin, Abt. Breslau (1938–1945).