Adunații-Copăceni is a commune located in Giurgiu County, Muntenia, Romania.

It is composed of four villages: Adunații-Copăceni, Dărăști-Vlașca, Mogoșești, and Varlaam.

The commune is situated in the southern part of the Wallachian Plain, on the banks of the Argeș River, at an altitude of 79 m (259 ft).

The national road DN5 connects Adunații-Copăceni to the county seat, Giurgiu, 41 km (25 mi) to the south, and to the capital city, Bucharest, 21 km (13 mi) to the north.

The DN5A [ro] road branches off in a southeasterly direction towards Varlaam and Mogoșești villages, ending in Hotarele commune, where it reaches DN41 [ro].