Glückstadt is a town situated in the Steinburg district of Schleswig-Holstein, Germany. It is located on the right bank of the Lower Elbe river at the confluence with the small Rhin river, approximately 45 km (28 mi) northwest of Altona.
The town is part of the Hamburg Metropolitan Region. It serves as a notable geographic point within the state of Schleswig-Holstein due to its position along the Elbe waterway.