Poiana Lacului is a commune located in the Muntenia region of Romania, specifically within Argeș County. It serves as an administrative division composed of thirteen distinct villages.
The constituent villages of the commune include Cătunași, Cepari, Dealu Orașului, Dealu Viilor, Dinculești, Gălețeanu, Gărdinești, Gâlcești, Metofu, Păduroiu din Deal, Păduroiu din Vale, Poiana Lacului, and Sămara.