Monday President of Georgia Mikheil Saakashvili visits Athens. To tomorrow. President Karolos Papoulias to meet with General Manager of Deutsche Welle Erik Bettermann, at 1 p.m. Interior Minister Prokopis Pavlopoulos to attend informal meeting of EU justice and Interior ministers in Lisbon. To tomorrow. Communist Party General Secretary Aleka Papariga to meet with the Association of Civil Aviation Pilots (EXPA) at noon. The Coalition of the Radical Left (SYRIZA) President Alekos Alavanos to meet with the Association of Civil Aviation Pilots (EXPA) at 3 p.m. The Technical University of Crete is hosting the first international conference on «Hazardous Waste Management,» at the Minoa Palace Resort and Spa Hotel in Hania. To Wednesday. Tel. 282100.37790 or log on to www.hwm1.tuc.gr. The 21st international symposium of the International Committee for Architectural Photogrammetry (CIPA) on «Anticipating the Future of the Cultural Past,» begins at Zappeion Hall. To Saturday. Tel. 210.749.9318 or log on to www.triaenatours.gr. Tuesday The Propeller Club of the United States – Port of Piraeus hosts the 81st international conference on «Friendships across the Oceans,» at the Eugenides Foundation on Syngrou Avenue. To Friday. For details, log on to www.amcham.gr. Wednesday The Institute of Communication and Computer Systems hosts the fourth Intuition international conference on «Virtual Reality and Virtual Environment,» at the National Bank of Greece Training and Conference Center in Glyfada. To Thursday. Tel. 210.772.2398 or log on to www.intuition2007.org. Thursday «Infosystem 2007» an international exhibition on «Information Technology, Telecommunications and Digital Technology,» opens at the Helexpo grounds in Thessaloniki. To Sunday. Tel. 2310.291.157 or log on to www.helexpo.gr. The Technical Chamber of Greece is hosting an international forum on «Waterfront Cities and Sites: Tourism and Development,» at the Technical Chamber in Kavala. To Sunday. Tel. 2510.224.625 or log on to www.kavala-tourisme.info. The Piraeus Bar Association hosts an international conference on «Maritime Law,» at 9 p.m. at the conference hall of the Piraeus Port Authorities (OLP). To Saturday. Tel. 210.931.1004 or log on to www.dspeir.gr. Friday The University of Patras is hosting a conference on «History, Philosophy and Science Teaching,» at noon at its premises. To Sunday. Tel. 2610.997.798 or log on to www.upatras.gr. The Capital Forum in cooperation with the American Hellenic Chamber of Commerce hosts a conference with keynote speaker the 42nd president of the United States of America, William Jefferson Clinton, at 5 p.m. at the Athenaeum Intercontinental Hotel. For details, log on to www.amcham.gr. Saturday PASOK national council convenes. To tomorrow. Sunday The 33rd Festival of the Communist Party youth organization KNE begins at 8 p.m. at the Peace and Friendship Stadium. General Secretary of the Communist Party Aleka Papariga to speak.