Duchy of Nysa

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Duchy of Nysa Księstwo Nyskie (pl) Herzogtum Neisse (de) Niské knížectví (cs)
1290–1850
Coat of arms
Map of Silesia by Martin Helwig, native of Nysa, published in 1645 in Atlas novus of Willem and Joan Blaeu. The Duchy of Nysa (here depicted as DVCATUS GROTKAVIENSIS) extends to Jeseník (Freiwaldau) in the south and Osoblaha (Hotzenplotz) in the east.
Status	Silesian duchy
Capital	Nysa
Historical era	Middle Ages Early modern period
• Partitioned from     Wrocław	1290
• Vassalized by     Bohemia	1342
• Acquired Grodków	1344
• Partitioned by Prussia     and Austria	1742
• Incorporated by     Prussia	1810
• Seized by Austria	1850
Preceded by Succeeded by Duchy of Silesia Silesia Province Austrian Silesia

The Duchy of Nysa (Polish: Księstwo Nyskie, Czech: Niské knížectví) or Duchy of Neisse (German: Herzogtum Neisse) was one of the duchies of Silesia with its capital at Nysa in Lower Silesia. Alongside the Duchy of Siewierz, it was the only ecclesiastical duchy in the Silesian region, as it was ruled by a bishop of the Catholic Church. Nowadays its territory is divided between Poland and the Czech Republic.