Alytus County () is one of ten counties in Lithuania. It is the southernmost county, and its capital is the city of Alytus. Its territory lies within the ethnographic region of Dzà «kija. On 1 July 2010, the county administration was abolished, and since that date, Alytus County remains as a territorial and statistical unit.
It borders the Vilnius County in the east, MarijampolÃÂ County and Kaunas County in the north, Podlaskie Voivodeship of Poland in the west, and Grodno Region of Belarus in the south..
Alytus County has 5 constituent municipalities:
The town of Druskininkai, a spa visited for its healing waters, is located in Alytus County, as is Grà «tas Park, also known as Stalin World, a Soviet theme park. There are more than 420 lakes in Alytus County.