Berlin-Marzahn-Hellersdorf is an electoral constituency (German: Wahlkreis) represented in the Bundestag. It elects one member via first-past-the-post voting. Under the current constituency numbering system, it is designated as constituency 85. It is located in eastern Berlin, comprising the Marzahn-Hellersdorf borough. Berlin-Marzahn-Hellersdorf was created for the inaugural 1990 federal election after German reunification. Since 2021, it has been represented by Mario Czaja of Christian Democratic Union (CDU).