CASTELLO BRANCO, a Portuguese episcopal city, 1,56oft. above the sea, on the Abrantes-Guarda railway. Pop. (193o) 9,82o. The city has many Roman remains and is dominated by a ruined castle, and partly enclosed by ancient walls; its chief buildings are the cathedral and episcopal palace. Cloth is manu factured, and there is a flourishing local trade in cork, wine and olive oil. The administrative district of Castello Branco coincides with the south-eastern part of Beira; pop. (193o), 265,573; area, 2,582 sq.m.