Marzahn-Hellersdorf is the tenth borough of Berlin, formed in 2001 by merging the former boroughs of Marzahn and Hellersdorf. It is situated in the northeast of Berlin. Marzahn-Hellersdorf borders to the Berlin boroughs of Lichtenberg in the west and Treptow-Köpenick in the south as well as to the Brandenburg municipalities of Ahrensfelde in the north and Hoppegarten and Neuenhagen in the east.
As of 2010, the borough had a total population 248,264, of whom about 30,000 (12%) were of non-German origin. Therefore, it is considered to be the least ethnically diverse borough of Berlin with the highest percentage of (Ethnic) Germans. Although the immigrant minority is relatively small, the borough has a higher concentration of Russian, Kazakh and Vietnamese people as compared to other parts of the city. Recently, there has been a significant influx of people with Middle Eastern and Muslim background.