Onassio Cardiac Surgery Centre
The Onassio Cardiac Surgery Centre (Greek: Ωνάσειο Καρδιοχειρουργικό Κέντρο) or simply Onassio (Ωνάσειο) is a model hospital, specialized in adult and pediatric heart diseases, and is a donation of the non-profit Alexander S. Onassis Foundation to the Greek State. It is a non-profit legal entity under private law and operates under the supervision of the Greek Ministry of Health.
Source: Wikipedia — Onassio Cardiac Surgery Centre (CC BY-SA 4.0)