Geltinger Bucht is an Amt ("collective municipality") in the district of Schleswig-Flensburg, in Schleswig-Holstein, Germany. Its seat is in Steinbergkirche. It was formed on 1 January 2008 from the former Ämter Gelting and Steinbergkirche.
The Amt Geltinger Bucht consists of the following municipalities:
Coordinates: 54°45′00″N 9°54′00″E / 54.750°N 9.900°E