Grafenberg is an urban borough of Düsseldorf. It borders to Gerresheim, Ludenberg, Flingern and Düsseltal. Grafenberg is one of the smallest boroughs in Düsseldorf. It is a green area and an expensive place to live (but not as expensive as e.g. Oberkassel). In the western part of Grafenberg there are a lot of office buildings, congress centers etc. The main office of the Agentur für Arbeit for the region of Düsseldorf and the main seat of the Metro AG is in Grafenberg. This article is based on a translation of an article from the German Wikipedia.