Waldshut (district) in the context of Schwarzwald-Baar-Kreis

Schwarzwald-Baar (German pronunciation: [ˌʃvaʁtsvaltˈbaːɐ̯]) is a Landkreis (district) in the south of Baden-Württemberg, Germany. Neighboring districts are (from north clockwise) Ortenaukreis, Rottweil, Tuttlingen, Constance, the Swiss canton of Schaffhausen, and the districts Waldshut, Breisgau-Hochschwarzwald and Emmendingen.

Jestetten is a municipality in the district of Waldshut in Baden-Württemberg in Germany.

Lörrach is a Landkreis (district) in the southwest of Baden-Württemberg, Germany. Neighboring districts are Breisgau-Hochschwarzwald and Waldshut. To the west it borders the French département Haut-Rhin; to the south the Swiss cantons Basel-Stadt, Basel-Landschaft and Aargau.

Klettgau (German pronunciation: [ˈklɛtɡaʊ]; High Alemannic: Chleggau) is a municipality in the district of Waldshut in Baden-Württemberg, Germany. It is the center of the Klettgau historical region stretching across the Swiss border into the cantons of Aargau, Schaffhausen, and Zürich.

The municipal area includes the villages of Bühl, Erzingen, Geißlingen, Grießen, Rechberg, Riedern am Sand, and Weisweil.

The Schaffhausen S-Bahn is an S-Bahn network in the Swiss canton of Schaffhausen and the German state of Baden-Württemberg (Konstanz and Waldshut districts). It comprises three services and began operation in 2015. Services are operated by SBB GmbH, Swiss Federal Railways' German subsidiary, and Thurbo.

Regional railway services in the city of Schaffhausen and other nearby towns are complemented by services of Zürich S-Bahn (S9, S12, S24, S29, S33), St. Gallen S-Bahn (S1), the Seehas (S6), and RB30 of Basel S-Bahn. The system is also supported by bus routes of vbsh.