Prime Minister Costas Karamanlis to meet with Finance Minister Giorgos Alogoskoufis and Education Minister Marietta Giannakou at 11 a.m.

President Karolos Papoulias to inaugurate the Renal Hostel (90 Vas. Sofias) of the Panhellenic Renal Patients’ Association at 11.30 a.m.

Foreign Minister Dora Bakoyannis visits Belgrade to attend the ministerial summit of the Black Sea Economic Cooperation Council (BSECC).

Development Minister Dimitris Sioufas visits Bucharest and Sofia.

EU ministers for European affairs meet in Rhodes. Foreign Minister Dora Bakoyannis to attend. To tomorrow.

Deputy Development Minister Anastassios Nerantzis to attend a ministerial meeting on renewable energy sources in Berlin hosted by the German presidency.

The eighth international exhibition on Natural Gas “Aerion 2007” opens at 2 p.m. at the facilities of the Piraeus Port Authority (OLP). To Sunday. For details, log on to www.aerion.gr.

Best Value Yachting 2007, with an in-water presentation of secondhand boats, begins at 3 p.m. at Lavrion Port. To Sunday. For details, call 210.922.1254.

The European Union Club of Athens holds an environmental symposium on “Europe and the Planet: The Action Plans of the European Union on Energy and the Environment and their Application in Greece,” at 10.30 a.m. at the Yiannos Kranidiotis Amphitheater of the Foreign Ministry. Speakers will include German Deputy Environment and Nuclear Security Minister Michael Mueller. For details, call 210.365.0225.

Development Minister Dimitris Sioufas visits Ankara to meet with Turkish Minister of Energy and Natural Resources Mehmet Hilmi Guler for talks on the construction of a Greek-Turkish natural gas pipeline.

Foreign Minister Dora Bakoyannis to meet with visiting Palestinian President Mahmoud Abbas.