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
Economy of Lithuania of 178 countries in the Index of Economic Freedom, measured by The Heritage Foundation. On average, more than 95% of all foreign direct investment in Lithuania comes from European Union countries. Sweden is historically the largest investor with 20% – 30% of all FDI in Lithuania. FDI into Lithuania spiked in 2017, reaching its highest ever recorded number of greenfield investment projects. In 2017, Lithuania was third country, after Ireland and Singapore by the average job value of investment projects. Based on OECD data, Lithuania is among the top 5 countries in the world by postsecondary (tertiary) education attainment. Educated