U Arhivu se nalazi 12.5 km građe. Arhivska građa obuhvata period od polovine XVIII do kraja XX veka: organa vlasti, uprave, sudstva, privrede, prosvetnih, zdravstvenih i kulturnih institucija, društava, udruženja, ličnih i porodičnih fondova i zbirki. The Historical Archives of Belgrade is authorized to protect archives and documentary material of the local government authorities – Assembly of the
City of Belgrade and 17 municipalities. The Archives reviews 2.752 creators and holders of the archives and documentary material in the area of government, judiciary, education, culture, welfare, health, commerce, banking, sociopolitical organizations and associations. The Historical Archives of Belgrade nowadays houses 2.738 fonds and collections occupying 13 kilometers of repository space, comprising the period from 16th century to nowadays. Most of them in the Serbian language, and in German, with some documents in Turkish, French, Hungarian, Russian, Italian, Rumanian, Hebrew and other languages. A number of fonds and collections have been processed and described in the Archival Information System ‘’Janus’’ in compliance with the ISAD(g) standard. System is projected for work in Intranet and Internet environment, on J2EE platform, with 3-layer structure (WEB client, JAVA application server, MS SQL base server). Our electronic databases expand to over 40.000 catalogue entries from 504 fonds and collections preserved in the part of the Information System, thus enabling us to deliver high quality services to members of the public, both onsite and online. The distant users can search our databases by simple search tool, which is placed in the directory named Fonds, by writing a descriptive word or part of the word, name, geographic term or chronology data. Archives vision is to become truly modern, efficient and open institution for its work and development to be interested scientific and public workers, cultural and educational public in the country and abroad, too. In accordance with the vision and modern archival strategies Archives is also active in the field of Web. 2.0 tools (page of the Archives is one of the most visited among the Archives in the Europe).