Christos Balaskas, former general manager of the Attiki Natural Gas Distribution Company, will replace VP and general manager of Hellas Gold, Eduardo Moura, the company announced on Monday.
The Central Archaeological Council (KAS) ruled on Tuesday that more than 30 hectares of former Helliniko airport is of archaeological interest.
"Our common future in the Balkans cannot be built on nationalism, as has unfortunately happened in the past, or on third party plans for our region; it can be built on the great potential of our peoples, respect for international law and a common European vision for our region," Prime Minister Alexis Tsipras said in his joint statements with Bulgaria's Prime Minister Boyko Borissov, Romania's Prime Minister Mihai Tudose and Serbian President Aleksandar Vucic, after the conclusion of the first Quadrilateral Summit Greece-Bulgaria-Romania-Serbia, held in Varna.