Coordinates: 48°08′43″N 11°34′03″E / 48.14528°N 11.56750°E
The Brown House (German: Braunes Haus) was the national headquarters of the National Socialist German Worker's Party (Nationalsozialistische Deutsche Arbeiterpartei) in Germany. It was named for the color of the party uniforms.
A large impressive stone structure, it was located at 45 Brienner Straße in Munich, Bavaria. Situated between Karolinenplatz and Königsplatz the mansion was built in 1828 by Jean Baptiste Métivier in neo-classicism style for the aristocrat Karl Freiherr von Lotzbeck. Since 1876 the building was known as "Palais Barlow".
By 1930, the party headquarters at Schellingstrasse 50 had become too small (with the number of workers increasing from four in 1925 to 50 that year). In April 1930, Elizabeth Stefanie Barlow (widow of William Barlow, an English wholesale merchant) offered the Palais Barlow for purchase to Franz Xaver Schwarz, party treasurer. A sales contract was signed on 26 May, with a purchase price of 805,864 marks. Funds for renovation of party headquarters were provided by industrialist Fritz Thyssen. The house was converted from an urban villa to an office building by the architect Paul Troost. He and Adolf Hitler also re-decorated it in a heavy, anti-modern style. It opened on 1 January 1931.