Marcinkonys is a village in Varėna district, Lithuania, located south-east of Merkinė. It is the administrative center of the Dzūkija National Park and Čepkeliai Marsh.According to the 2001 census, it had 765 residents.Its alternate names include Marcinkańce, Mareinkonys, Martsinkantse, Martsinkantsy, and Martsinkonis.