Greece, officially the Hellenic Republic, is a country located in Southern Europe.
World War II
Steve Rogers witnessed a map showing the location of HYDRA facilities in Europe while liberating the prisoners in the Austrian HYDRA Weapons Facility. For that he was tasked to destroy all those facilities with a team while MI6 focused on locating the central HYDRA Headquarters.
With the knowledge of the Darkhold Holden Radcliffe and Aida began perfecting the Framework. Upon completion the code had become so powerful that it had to be processed on devices from all around the world. Part of the data was transmitted to an archive server in Athens, Greece.