Hungarian Convention Bureau
the most comprehensive site of the Hungarian MICE (Meetings, Incentives, Conference and Exhibitions) market, with professional database of venues and conference support services, professional associations and organisations - on-line search by location and other categories;
publications, congress calendar and web-library of Hungarian and international professional associations, organisations, and magazines - also in English

MARESZ
code of ethics of event organisers, event calendars on the website of MRESZ
(the Association of Hungarian Event Organisers) - also in English