Grigiskes – is the city in Vilnius municipality, in the ward of Grigiskes. Population is (2010) 11 354. Area is 7.1 square kilometers. Grigiskes is located 17 km to west from the center of Vilnius. It is located on both sides of the river Voke and Vilnius-Kaunas highway, to south of the river Neris. This is the only city in Lithuania, which belongs to another city municipality.