Gricignano di Aversa is a comune in the Province of Caserta in the Italian region Campania, located about 15 kilometres north of Naples and about 13 kilometres southwest of Caserta. Located in agro atellano, is known for the U.S. Navy Support Site of the Naples NSA. Gricignano borders the following municipalities: Aversa, Teverola, Marcianise, Cesa, Succivo, Sant'Arpino. The ancient city of Atella was located nearby.