It was administered with New East Prussia from 1795 onwards, until in 1807 it became part of the Napoleonic Duchy of Warsaw according to the Treaties of Tilsit.
Prussia | East Germany | Middle East | East India Company | University of East Anglia | Dutch East Indies | East Prussia | East Africa | Lower East Side | East Sussex | East Riding of Yorkshire | Far East | East Berlin | Dutch East India Company | East Java | East Coast of the United States | East Coast Main Line | East Anglia | East End of London | East Pakistan | East | East Timor | East Frisia | Canada East | Russian Far East | University of the East | East Lothian | East Asia | Upper East Side | East Village |