From the Wikipedia page [1]
Vilnius County (Lithuanian: Vilniaus apskritis) is the largest of the 10 counties of Lithuania, located in the east of the country around the city Vilnius. On 1 July 2010, the county administration was abolished, and since that date, Vilnius County remains as the territorial and statistical unit.
Municipalities
The county is subdivided into 6 district municipalities, 1 municipality and 1 city municipality: