Trittau is an Amt ("collective municipality") in the district of Stormarn, in Schleswig-Holstein, Germany. The seat of the Amt is in Trittau. Municipalities The Amt Trittau consists of the following municipalities: Sister cities The following cities are twinned with Trittau (Amt): Saarijärvi, Central Finland, Finland Communauté de communes Sèvre et Loire, Loire-Atlantique, France Gmina Wieliszew, Poland Totton and Eling, United Kingdom References Ämter in Schleswig-Holstein