Archiwum Państwowe w Olsztynie

State Archive in Olsztyn came into existence according to the Decree of the Minister of Education from November 15th 1948. In 1952-1983 it works as a Voivodship State Archive in Olsztyn. In 1983, according to the Act of National Archival Records and Archives it was renamed The Olsztyn State Archive.

Nowadays. The State Archive in Olsztyn works on the ground of the Act of National Archival Records and Archives of July 14, 1983, Journal of Law (dziennik Ustaw) No38, 1983.07.19 with later changes

The first adobe of the Archive was a cellar in Olsztyn castle. The stores were located in various places in Olsztyn (e.g. former salt store, former funeral house of Jewish community and after 1990 a part of building of former Voivodship Committee of PZPR in Głowackiego street). After 1994 the Archive works in restored building at Partyzantów street.

The State Archive in Olsztyn possesses 2676 collections and archival founds, which makes 484 306 units and 4816 running metres from the end of 14th century to the present time (1032 archival founds before 1945). They are records of state and local administration (34%), political parties and social movements (23,05%), judiciary (10,46%), registry offices (8,36%), and churches (8,06%).