One of three branches of the State Records and Archives Department, National Archives Centre 2 is responsible for collecting, acquiring, preserving and making effective use of archival records of national significance from the feudal period and from the French colonial territories of Annam and Cochinchina, the southern region of Việt Nam. It houses a total of 15 linear kilometres of archival material, comprising 55 archive collections and records groups, 4,369 disks, 600 sound recordings and 70,000 photographs and negatives dating from 1802 to the present, including: administrative records produced by the Governors General of Cochinchina, the Governors of Annam, the US-backed Government of South Việt Nam and various revolutionary organisations established in the south after 1975; scientific and technological records such as maps and atlases dating from 1862 to 1975; audio-visual records, photographs, films, newsreels and sound recordings produced before 1975; over 30,000 woodblock records of various books and bibliographies produced by the Nguyễn dynasty (1802-1945), which have been reproduced on paper and also copied onto CD-ROM; and collections of some 17,930 books and monographs, including 169 volumes in Hán-Nôm (Chinese and Sino-transcribed Vietnamese). Finding aids include inventory lists, catalogues and index cards. Initial databases have been set up for the most important record groups.