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
Name of Lithuania original word should have no suffix. A likely candidate is "Lietā". Because many Baltic ethnonyms originated from hydronyms, linguists have searched for its origin among local hydronyms. Usually such names evolved through the following process: hydronym → toponym → ethnonym. A small river not far from Kernavė, the core area of the early Lithuanian state and a possible first capital of the would-be Grand Duchy of Lithuania, is usually credited as the source of the name. This river's original name is Lietava. As time passed, the suffix -"ava" could have changed into -"uva", as the two are from the same