sentences:  The seat was in Vilnius (Vilna in Russian), where the Governors General resided.The first governorates, Vilnius Governorate (consisting of eleven uyezds or districts) and Slonim Governorate, were established after the third partition of the Polish-Lithuanian Commonwealth.Just a year later, on December 12, 1796, by order of Tsar Paul I they were merged into one governorate, called the Lithuanian Governorate, with its capital in Vilnius.