Wrocław is a city in southwestern Poland and the largest city in the historical region of Silesia. It lies on the banks of the Oder in the Silesian Lowlands of Central Europe, roughly 40 km from the Sudeten Mountains to the south., the official population of Wrocław is 674,132 making it the third largest city in Poland. Population of the Wrocław metropolitan area is around 1.25 million.