The Greek frigate Psara (F-454) is the third ship of the Greek Hydra-class frigates. It is based on the Blohm + Voss MEKO 200 frigate class and was built by Hellenic Shipyards Co. at Skaramangas as part of the programme. She has participated in various NATO and international operations such as Sharp Guard, Decisive Enhancement, Operation Enduring Freedom, EU Operation Atalanta.