Austrian Silesia

Austrian Silesia, (historically also ); ; }} officially the Duchy of Upper and Lower Silesia, (historically ); ; }} was an autonomous region of the Kingdom of Bohemia and the Habsburg monarchy (from 1804 the Austrian Empire, and from 1867 the Cisleithanian portion of Austria-Hungary). It is largely coterminous with the present-day region of Czech Silesia (with a smaller part in Poland) and was, historically, part of the larger Silesia region. Provided by Wikipedia