EuroVoc is a multilingual thesaurus (controlled vocabulary) maintained by the Publications Office of the European Union and hosted on the portal Europa. It exists in the 24 official languages of the European Union (Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Irish, Italian, Latvian, Lithuanian, Maltese, Polish, Portuguese, Romanian, Slovak, Slovene, Spanish and Swedish) plus Albanian, Macedonian and Serbian, although the user interface is not yet available in these languages.