The Innenstadt (inner city) is the central city district of Frankfurt am Main, Germany. It is part of the Ortsbezirk Innenstadt I. Its western part forms part of Frankfurt's central business district, the Bankenviertel. Germany's most expensive shopping streets and real estate are found within the city district. The Innenstadt stretches in the north and east round the district of Altstadt. Other adjacent districts to the west are Bahnhofsviertel, in the north west the Westend, Nordend to the north and Ostend to the east. In the south, the Innenstadt is bordered naturally by the Main on the opposite bank of which stands the Applewine quarter known as Sachsenhausen. The Innenstadt and Altstadt were formed within the borders made up of the Anlagen (stretches of grassy park land) lying to the right of the Main and are thereby clearly recognisable on the city plan. The enclosures of park land of a contrast to the skyscrapers and the banking quarter. The Zeil, Frankfurt's most famous street, as well as the central squares Hauptwache and Konstablerwache, the Frankfurt Stock Exchange and the Alte Oper, can be found in the Innenstadt. On the Freßgass the bankers and office workers from the nearby office blocks often have lunch. Areas and quarter, streets and squares The Innenstadt is divided, from west to east, in into the following parts: Altstadt The Altstadt is the historical old town district of Frankfurt. It was devastated in World War II, but parts of it are reconstructed, most recently at the Dom-Römer Project. Bankenviertel The Bankenviertel (banking district) lies on both sides of the Taunusanlage and is shared between the boroughs of the Innenstadt, Bahnhofsviertel and the Westend. Most credit institutes in the eastern banking quarter are situated in Neue Mainzer Straße, Große Gallusstraße, Junghofstraße and the surrounding streets. All these streets are locations for skyscrapers, whose highest is the 259-metre Commerzbank Tower. The southern part of the quarter shows a greater range of use, especially along Kaiserstraße and at Kaiserplatz. The Frankfurter Hof, one of the best known hotels in the city, is located here. In Großer Hirschgraben, the border with the Altstadt, lies one of the cultural highlights of the city, the Goethe House. Opernviertel The main axis of the north western part of the Innenstadt (opera quarter) is Große Bockenheimer Straße, running from Rathenauplatz to Opernplatz, as a result of the many places to eat better known as