Tănăsoaia is a commune situated in Vrancea County, Romania. It serves as an administrative division composed of ten distinct villages.
The constituent villages that make up the commune include Călimăneasa, Costișa, Costișa de Sus, Covrag, Feldioara, Galbeni, Nănești, Tănăsoaia, Vladnicu de Jos, and Vladnicu de Sus.