The Historical Archive of Belgrade houses a variety of archives and collections that provide important information about the history of Belgrade and Serbia. The material in the Archive is mainly in Serbian and German, with a number of documents in Turkish, French, Hungarian, Russian, Italian, Romanian, Hebrew and other languages.

The oldest document kept in the Archive originates from the second half of the 16^th century, The Dialogue between an Ottoman Turk and a Christian about the military and political situation, written in Turkish. The oldest fund is that of theMagistrate in Zemun, whose collection originates from 1749 when Zemun was declared a free royal town, and exempted from the property of the Schönbrunn family. The materials are mainly written in German. The following collections are the most extensive: the Belgrade City Assembly, Belgrade City Court, Belgrade City Administration, Magistrate of Zemun, Zemun District Court and the Chamber of Commerce in Belgrade.