Buzău (bŏzûˈŏ) [key], city (1990 pop. 147,627), SE Romania, in Walachia, on the Buzău River. It is a district administrative center and an important railroad junction. The country around Buzău is dotted with orchards and vineyards. Its chief industries are metallurgy and plastics. Long the residence of an Orthodox bishop, it has an episcopal palace and a 16th-century cathedral, restored in 1740.