Ösel-wiek-icon.png Bishopric of Ösel-Wiekball was a Bishopric in Estonia-icon.png Estoniaball, in what is now Saare-icon.png Saareball, Hiiu-icon.png Hiiuball and Lääne-icon.png Laaneball. Created as a state of the HRE-icon.png Holy Roman Empireball in 1228. The Bishopric ceased to exists in 1560 when the Duke of Holstein was elected as Bishop and he Ceded Wiekball to Poland-Lithuania-icon.png Poland-Lithuaniaball.

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