Duchy of Świecie

Duchy of Świecie
Księstwo świeckie (Polish)
1248/1264–1270
CapitalRaciąż (before 1264)
Świecie
Official languagesPolish, Latin
Religion
Roman Catholic
GovernmentDuchy
Duke 
 1248/1264–1270
Mestwin II
Historical eraHigh Middle Ages
 Partition from the Duchy of Gdańsk
1248/1264
 Conquest of the Duchy of Lubiszewo
1269
 Conquest of the Duchy of Gdańsk and re-establishment as the Duchy of Pomerelia
1270
Preceded by
Succeeded by
Duchy of Gdańsk
Duchy of Kuyavia
Duchy of Lubiszewo
Duchy of Eastern Pomerania
Today part ofPoland

Duchy of Świecie (Polish: księstwo świeckie) was a duchy in Pomerelia centred around Świecie. Its only ruler was duke Mestwin II of the Samboride dynasty.