The canton of Schaffhausen is located almost entirely on the northern side of the High Rhine, with the exception of the southern part of the municipality of Stein am Rhein.

The Swiss municipality of Kreuzlingen forms part of the conurbation of Konstanz, with cross-border regional train services S14 and S44 of St. Gallen S-Bahn.

In mid-2016, during the European migrant crisis, the German government deployed an additional 90 border guards and 40 police officers in order to reduce the level of illegal immigration passing through Switzerland.

Another bus service, line 33 (7349) of Südbadenbus [de], connects Stein am Rhein with Singen (Hohentwiel) railway station.

The Upper Lake Constance separates the German Bodenseekreis (Baden-Württemberg) and Lindau district (Bavaria) from the Swiss cantons of Thurgau and St. Gallen.

The short stretch of border (c. 1.5 kilometres (0.93 mi)) between Konstanz and the municipality of Kreuzlingen comprises the only territory of Germany on the left bank of the High Rhine.

At the lake's exit it turns inland, towards the north, leaving Stein am Rhein within Switzerland, as well as the municipalites of Ramsen, Hemishofen and Buch (eastern part of the canton of Schaffhausen).

Büsingen am Hochrhein (Konstanz district) is a German exclave which has borders with three Swiss cantons, namely Zurich, Schaffhausen, and Thurgau.

The German territory wedged between the main part of the canton of Schaffhausen and the Rafzerfeld, which includes the municipalities of Jestetten, Lottstetten and Dettighofen, is also known as the Jestetter Zipfel (lit.