Colibași is a commune located in Giurgiu County, Muntenia, Romania. It is composed of two villages, Câmpurelu and Colibași.

The commune is situated in the Wallachian Plain, on the left bank of the Argeș River. It is located in the northeastern side of Giurgiu County, 50 km (31 mi) from the county seat, Giurgiu, on the border with Ilfov County. Its neighbor to the north is Berceni commune; downtown Bucharest is 28 km (17 mi) away.