The Ostend is a city district of Frankfurt am Main, Germany. It is part of the Ortsbezirk Innenstadt IV.The Frankfurt Zoological Garden, the East Harbor, the former Großmarkthalle and the Frankfurt School of Finance & Management are some of the well-known institutions in the Ostend. The European Central Bank has also built their new seat close to the Großmarkthalle at the Main river.The Heinrich-von-Gagern-Gymnasium and the Hoch Conservatory are also located in the Ostend.