Hospital de Santa Maria MHM (Portuguese pronunciation: [ɔʃ.piˈtaɫ dɨ ˈsɐ̃.tɐ mɐ.ˈɾi.ɐ], "Saint Mary's Hospital") is a public Central Hospital serving the Greater Lisbon area as part of the Northern Lisbon University Hospital Centre (CHULN), a State-owned enterprise. Santa Maria is the largest hospital in Lisbon and indeed in Portugal.