How long is the Greek green card visa-free in 27 European countries?

Three months. Greece is a member of the European Union and the Schengen area, which means that all holders of Greek residence permits can travel to all Schengen area countries without a visa, while 27 European countries holding Greek green cards can stay for 3 months without a visa, and the stay time does not exceed 90 days. Greek permanent residence card, also known as pink card, commonly known as pink card, or Greek green card, is the last step for all applicants who invest in Greece to complete immigration procedures.