Berlin has become one of the world's hottest property markets, something that has seen both rent and property prices increase significantly in recent years. For someone looking to move to the German capital, where are rents highest? According to Immobilienscout24, Friedrichshain-Kreuzberg has the highest average rent per square meter of any district in the capital at €12.94 per square meter. Mitte comes second with €12.51 while Charlottenburg-Wilmersdorf is third-highest with €12.00.