The Infante D. Henrique Nautical School (Portuguese: Escola Náutica Infante D. Henrique/Escola Superior Náutica Infante D. Henrique) is a college of higher education dedicated to naval and nautical studies, situated in Paço de Arcos, Oeiras, in the Portuguese district of Lisbon. Literally, the Prince Henry Nautical School (and abbreviated as ENIDH) the school was named for the Portuguese prince Henry the Navigator. It's the Portuguese maritime college and specializes in maritime studies.