Administrative divisions of Lithuania 1561, became a condominium (joint domain) of both Lithuania and Poland. This left Lithuania with eight voivodeships and one eldership: After the Livonian War (1558–1582), Lithuania acquired the vassal state of Duchy of Courland with its capital Jelgava. This administrative division remained without any major changes until the partitions of the Polish–Lithuanian Commonwealth in the late 18th century. Under the Russian Empire, the territory of the former Grand Duchy of Lithuania was divided into governorates (Russian: "guberniya", Lithuanian: "gubernija") and districts (Russian: "uyezd", Lithuanian: "apskritis"). Such system was introducing in Russia during the reforms of 1775. The first governorates, Vilna
Law of Lithuania the Grand Duke of Lithuania Casimir Jagiellon with the Lithuanian Council of Lords. It is considered to be the first codified law of the Grand Duchy of Lithuania. Statutes of Lithuania, published three times (in 1529, 1566 and 1588) were the most influent legal codes of Lithuania. The third variant of the Statute was in force in the territory of Lithuania until 1840 when it got replaced by the Russian laws. However, under the rule of the Russian Empire, there were three separate civil law systems in force in Lithuania: in Suvalkija the Napoleonic Code was still applied, whereas the