Duchy of Sandomierz

Duchy of Sandomierz
Ducatus Sandomirensis (Latin)
Księstwo sandomierskie (Polish)
1138–1320
Coat of arms of
Coat of arms
Kingdom of Poland between 1304 and 1333, including Duchy of Sandomierz.
Kingdom of Poland between 1304 and 1333, including Duchy of Sandomierz.
StatusFiefdom of Kingdom of Poland
CapitalSandomierz
Official languagesPolish, Latin
Religion
Roman Catholic
GovernmentDistrict principality
Duke 
• 1138–1146 (first, regency)
Władysław II the Exile
• 1146–1166 (first proper)
Henry of Sandomierz
• 1304–1320 (last)
Władysław I Łokietek
Historical eraHigh Middle Ages
1138
• Incorporation into Kingdom of Poland
1320
Preceded by
Succeeded by
Kingdom of Poland
Kingdom of Poland
Duchy of Wiślica
Sandomierz Land (ziemia sandomierska) and other historical lands of Poland against the background of modern administrative borders

The Duchy of Sandomierz[a] was a district principality and a fiefdom of the Kingdom of Poland. It was formed in 1138 from the territories of the Kingdom of Poland, following its fragmentation, that was started by the testament of Bolesław III Wrymouth. The Duchy existed until 1320 when it was incorporated into the Kingdom of Poland. Its capital was the city of Sandomierz. The territory was centred around Sandomierz Land in the southeastern corner of Poland, between the rivers of Pilica, Vistula, San, and Dunajec.
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