Secretary General of NATO Jens Stoltenberg will visit Greece on Thursday to meet with Greek officials, the alliance said in a statement.
Stoltenberg will meet with President Prokopis Pavlopoulos and Prime Minister Kyriakos Mitsotakis and hold a press conference with the latter at 7 p.m.
The NATO top official will previously visit Rome on Wednesday and then Istanbul on Friday.
Greece's Environment Ministry plans to extend a ban on construction activity on the slopes of Mount Hymettus in Attica through October 2020.
A legislative act is to be signed Tuesday by President Prokopis Pavlopoulos. The ministry is essentially seeking to buy time until the issuing of a presidential decree designed to protect Mount Hymettus, a sensitive ecosystem.
Flying enthusiasts watch Hellenic Air Force helicopters participate in the Tanagra International Air Show, part of Athens Flying Week, at the Tanagra Air Base on Saturday. The air show, which took place for the eighth year in a row, drew some 60,000 visitors from across Greece and 4,000 from abroad.
The Parliament speaker and his deputies convened for a second day on Friday in an ongoing bid to appoint the country's new judicial leadership.
The choice of Supreme Court President is to be made from six current vice presidents: Angeliki Aliferopoulou, Giorgos Lekkas, Pinelope Zontanou, Iosif Tsalaganidis, Irini Kalou and Dimitra Kokotini.
Three top judicial officials - Iosif Tsalaganidis, Pinelopi Zontanou and Angeliki Aliferopoulou - were short-listed on Thursday for the position of Supreme Court president following a session by Parliament's speaker and his deputies.
The speakers are to convene again on Friday to evaluate candidates for another coveted post: the court's prosecutor.