Communist Party (KKE)General Secretary Aleka Papariga to speak at party’s political rally at 8 p.m. in Thessaloniki.

Foreign Minister Dora Bakoyannis to meet with Russian Deputy Foreign Minister Vladimir Titov at 10 a.m. At 3.30 p.m., she will have talks with US Deputy Assistant Secretary of State for European and Eurasian Affairs Matthew Bryza.

Culture Minister Michalis Liapis to meet with Piraeus Mayor Panayiotis Fasoulas at 10.30 a.m.

Coalition of the Radical Left (SYRIZA) President Alexis Tsipras visits Berlin, Germany.

The Prefecture of Eastern Macedonia and Thrace and the Technical Chamber of Greece host a conference on “BEACHMED-e: Strategic Management of Beach Protection for Sustainable Development of Mediterranean Coastal Zones,” at 8.30 a.m. at the Democritus University of Thrace. Tel. 25310.81853.

The second international exhibition “Energy Res 2008” opens at 5 p.m. at the Old Athens Airport in Hellenikon. To Monday. For details, call 210.995.2884 or log on to www.htexpo.gr.

Czech Prime Minister Mirek Topolanek begins an official visit to Greece. At 12.30 p.m., he will meet with Prime Minister Costas Karamanlis.

Transport Minister Costis Hatzidakis visits the Transport and Communications Directorate of eastern Thessaloniki.

The Center for European Constitutional Law is hosting a conference on “Transparency and Development by Reducing Administrative Burdens,” at 9.30 a.m. at the Theodoros Karatzas Amphitheater of the National Bank of Greece. Interior Minister Prokopis Pavlopoulos and Development Minister Christos Folias to speak. Tel. 213.313.275 or log on to www.cecl.gr.

The Intermunicipal Health and Social Solidarity Network hosts a conference on “Prevention and Social Welfare in Municipalities,” at 7.30 p.m. at the Municipality of Argyroupolis. Health Minister Dimitris Avramopoulos will make the opening address. To Saturday. Tel. 210.993.3881.

The Aristotle University of Thessaloniki is hosting a conference on “Protecting Confidentiality in Communications - Self-Protection of Users and Subscribers,” starting at 9.30 a.m. at the university. For details, log on to www.auth.gr.