Trittau is an Amt ("collective municipality") in the district of Stormarn, in Schleswig-Holstein, Germany. The seat of the Amt is in Trittau.
The Amt Trittau consists of the following municipalities:
The following cities are twinned with Trittau (Amt):
Coordinates: 53°37′01″N 10°24′00″E / 53.617°N 10.400°E