Vilnius Voivodeship
After the Union of Lublin in 1569 which formed the Commonwealth, Grand Duchy retained much of its autonomy, and Vilnius Voivodeship remained its capital voivodeship, just as Vilnius remained its capital city, although the capital of the Commonwealth was first in Cracow (Cracow Voivodeship) and later in Warsaw (Masovian Voivodeship). In 1793, voivodeships of Breslauja and Merkinė (Merkinė was really part of Vinius, but considered nominally part of Smolensk) were created from northern part of it. Breslauja Voivodeship consisted from Breslauja, Vilkmergė and Anykščiai counties and Merkinė one consisted from Merkinė, Prienai and Eišiškės ones.