The Duchy of Pomerania was a duchy in Pomerania on the southern coast of the Baltic Sea, ruled by dukes of the House of Pomerania. The country existed as a united duchy between years 1121–1160, 1264–1
Plaque at the site of the first cathedral in Wolin
Former Cathedral, now Co-Cathedral in Kamień Pomorski
Medieval Greifswald, a typical Ostsiedlung town. Locators set up rectangular blocs in an area resembling an oval with a central market, and organized the settlement.
Pomerania during the Late Middle Ages covers the history of Pomerania in the 14th and 15th centuries.
The Treaty of Stralsund (1370) marked the high-water mark of Hanseatic power.
Eric of Pomerania crowned king of the Kalmar Union