in Silesia with a population greater than 20,000 (2015). * Only part in Silesia Flags and coats of arms The emblems of Lower Silesia and Upper Silesia originate from the emblems of the Piasts of Lower Silesia and Upper Silesia. The coat of arms of Upper Silesia depicts the golden eagle on the blue shield. The coat of arms of Lower Silesia depicts a black eagle on a golden (yellow) shield. Flags with their colors refer to the coat of arms of Silesia. World Heritage sites See also 257 Silesia Expulsion of Poles by Germany Flight and expulsion of Germans (1944–1950) List of people from Silesia Silesian German Silesian Interurbans Slezak Upper Silesian Industrial Region Upper Silesian Metropolitan Area Footnotes References Procházka, Jiří: 1683, Vienna obsessa. Via Silesiaca.() Brno, Wien 2012, ITEM External links Map of Silesia in 1763 Old postcards from Silesian towns Photos from Silesian towns, villages and communities before 1946 What is Silesia? Czech geographic history Divided regions Geography of Central Europe Historical regions in Germany Historical regions in Poland Historical regions