County of East-Frisia Graafschap Oost-Friesland | |||||||||||
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1464–1744 | |||||||||||
Capital | Emden | ||||||||||
Common languages | East Frisian Low Saxon, Dutch, German | ||||||||||
Religion | Lutheran in the east, Calvinism in the west | ||||||||||
Government | County | ||||||||||
Historical era | Middle Ages | ||||||||||
• Established | 1464 | ||||||||||
• Disestablished | 1744 | ||||||||||
Area | |||||||||||
c. 1800[1] | 1,800 km2 (690 sq mi) | ||||||||||
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The County of East Frisia (Frisian: Greefskip Eastfryslân; Dutch: Graafschap Oost-Friesland) was a county (though ruled by a prince after 1662) in the region of East Frisia in the northwest of the present-day German state of Lower Saxony.