Alemannic German
Überlingen is situated in the area where a variety of Low Alemannic German (Niederalemannisch), Lake Constance Alemannic German (Bodenseealemannisch) is spoken. Lake Constance Alemannic German can be distinguished from High Alemannic German spoken to the south in Switzerland and Swabian, which is spoken to the east in Friedrichshafen and to the north from Pfullendorf on.