Austrian Silesia

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Duchy of Upper and Lower Silesia Herzogtum Ober- und Niederschlesien (German) Vévodství Horní a Dolní Slezsko (Czech) Księstwo Górnego i Dolnego Śląska (Polish)
1742–1918
Flag Coat of arms
Austrian Silesia (shown in red) within Austria-Hungary until 1918
Status	Crown land of the Kingdom of Bohemia and: Habsburg monarchy (until 1804) Austrian Empire (1804–1867) Cisleithania, Austria-Hungary (from 1867)
Capital	Troppau (Opava)
Common languages	German Polish Czech
Religion	Roman Catholicism Lutheranism
Government	Principality
History
• Division of Silesia	1742
• Part of Austrian Empire	1804
• Crown land of Cisleithania	1867
• Disestablished	1918
Preceded by Succeeded by Duchies of Silesia Province of Silesia Czech Silesia Silesian Voivodeship (1920–1939)
Today part of	Czech Republic Poland

Austrian Silesia,^[a] officially the Duchy of Upper and Lower Silesia,^[b] 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.
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