Duchy of Lithuania Duchy of Lithuania Duchy of Lithuania (; ) was a state-territorial formation of ethnic Lithuanians, that existed from the 13th century until 1413. Most of the time it was a constituent part and a nucleus of the Grand Duchy of Lithuania. Other alternative names of the territorial formation, used in different periods, were Aukštaitija or Land of Lithuania (13th century), Duchy of Vilnius (14th – early 15th centuries), Lithuania Propria or simply Lithuania (in a narrow sense). The formation emerged in the central and eastern part of the present-day Lithuania, known as Aukštaitija, as the Lietuva Land (). It is
Lithuania Minor was found which indicated that in 1990, the Soviet leadership was prepared to negotiate the return of Kaliningrad to Germany against payment. The proposal was declined by German diplomats. After the dissolution of the Soviet Union, the Kaliningrad Oblast has become an exclave of Russia. Lithuania, Germany, and Poland lay no official claims to the region at this time. Of the portion of Lithuania Minor that is currently in Poland, Gołdap, (), the seat of Gołdap County, is the largest municipality of the region within the Polish state, making it the de-facto capital of Polish Lithuania Minor. Unlike the area