Gelvonai is a town in a county whose administration was abolished on what date?
Gelvonai: Gelvonai is a town in Širvintos district municipality, Vilnius County, east Lithuania. Vilnius County: 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.
i don't know