Justice Minister Sotiris Hatzigakis to inaugurate a courthouse in Arta.

Culture Minister Michalis Liapis to present an Attic marble lekythos returned to Greece from Switzerland at 11.30 a.m. at the National Archaeological Museum.

The Union of Municipalities and Communities of Attica (TEDKNA) hosts a conference on “The New Land Zoning Plan,” starting at 10 a.m. at the Imperial Hotel. For details, log on to www.tedkna.gr.

Athens Bar Association is hosting a conference on “Greek Foreign Policy: What’s Next after Bucharest,” at 7 p.m. at its premises, 60 Academias. PASOK MP Panayiotis Beglitis and Foreign Ministry spokesman Giorgos Koumoutsakos to speak. For details, log on to www.dsa.gr.

Thessaloniki Prefecture is hosting conference on “World Action against Climate Change Health Threats,” starting at noon at its premises in Thessaloniki. Bishop Anthimos of Thessaloniki and Macedonia Thrace Minister Margaritis Tzimas will speak.

The Australian Embassy is organizing the commemoration of Anzac Day at 11 a.m. at the Commonwealth War Cemetery in Faliron.

Easter Sunday. Public holiday.