Steglitz-Zehlendorf is the sixth borough of Berlin, formed in Berlin's 2001 administrative reform by merging the former boroughs of Steglitz and Zehlendorf.DemographicsAs of 2010, the borough had a population of roughly 294,000, of whom about 70,000 were of non-German ethnicity/origin. Hence, the percentage of migrants is a bit lower than Berlin's overall average, which is at roughly 30%.SubdivisionThe Steglitz-Zehlendorf borough consists of seven localities: SteglitzLichterfeldeLankwitzZehlendorfDahlemNikolasseeWannseePoliticsthumb At the 2011 elections for the parliament of the borough (Bezirksverordnetenversammlung) the following parties were elected: CDU 24SPD 15Alliance '90/The Greens 13Pirate Party 3