 In addition to the core city of Gammertingen with around 5000 inhabitants belong to the whole city five districts, among them the three boroughs Feldhausen, Harthausen and Kettenacker together with the princely Hohenzollern domain Lusthof on the plateau of the Swabian Jura, Bronnen and Maria Berg.The well-known "Helmet of Gammertingen" and other rich grave goods from a number of burial grounds provide the information of an early settlement in the time of the Merovingian dynasty.Gammertingen was first mentioned in 1101 in a document of the Kloster Allerheiligen, Schaffhausen.