Prime Minister Costas Karamanlis visits the Naval Recruit Training Center on Poros.

National First Aid Center (EKAB) doctors stage a four-hour work stoppage from 9 a.m. over pension and institutional demands.

French Defense Minister Herve Morin visits Athens. To tomorrow.

Environment Minister Giorgos Souflias to inspect works on the Maliakos road.

Transport Minister Costis Hatzidakis holds a press conference on “Urban Transport: Quality, Modern and Environmentally-Friendly,” at 10.30 a.m.

The Civil Servants’ Union (ADEDY) holds a press conference on social security, at noon at the Titania Hotel.

The Panhellenic Federation of Journalists’ Unions (POESY) meets to discuss recent developments in social security.

The Greek Ombudsman hosts a conference on “Policies for Boosting Employment and Insurance Cover for the Unemployed,” at 11.30 a.m. at the University of Athens’s I. Drakopoulos Amphitheater. Employment Minister Vassilis Magginas will make the opening address. Tel. 210.728.9610 or log on to www.synigoros.gr.

Bank workers’ federation (OTOE) members will stage a three-hour work stoppage from 12.15 p.m.

Athens metro employees stage a four-hour work stoppage from noon.

Health Minister Dimitris Avramopoulos holds a press conference to present the National Action Plan against AIDS, at 11 a.m. at the ministry.

SYRIZA President Alekos Alavanos to attend the second congress of the European Left Party in Prague. To Sunday.

The first international “Property 2007” exhibition starts at 11 a.m. at the Helexpo Palace in Maroussi. To Sunday. For details, log on to www.helexpo.gr.

The Development Ministry hosts a conference on “Quality of Life, Exercise and Diet,” at 9.30 a.m. at the Athens Imperial Palace Hotel. Development Minister Christos Folias will speak. For details log on to www.efpolis.gr.

The Animal Welfare Society’s bazaar begins at 10 a.m. at the Eleftherias Park Arts Center on Vas. Sofias. To Sunday.