Oranienburg (ōrä´nyənbŏŏrkh), city (1994 pop. 28,320), Brandenburg, NE Germany, on the Havel River. It is a center of a fruit-growing region. Manufactures include chemicals and steel products. Oranienburg was the site of one of the earliest concentration camps (est. 1933) set up by the National Socialist (Nazi) regime.
"Oranienburg." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 22, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/oranienburg
"Oranienburg." The Columbia Encyclopedia, 6th ed.. . Retrieved September 22, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/oranienburg