The Ortenau S-Bahn is a regional railway operator in the German

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 state of Baden-Württemberg

Baden-Württemberg

Baden-Württemberg is one of the 16 states of Germany. Baden-Württemberg is in the southwestern part of the country to the east of the Upper Rhine, and is the third largest in both area and population of Germany's sixteen states, with an area of and 10.7 million inhabitants...

. It is a subsidiary

Subsidiary

A subsidiary company, subsidiary, or daughter company is a company that is completely or partly owned and wholly controlled by another company that owns more than half of the subsidiary's stock. The subsidiary can be a company, corporation, or limited liability company. In some cases it is a...

 of the Südwestdeutsche Verkehrs-Aktiengesellschaft

Südwestdeutsche Verkehrs-Aktiengesellschaft

The Südwestdeutsche Verkehrs-Aktiengesellschaft or SWEG is a transport company in southwest Germany that operates railway lines and bus services...

 (SWEG), a transport company owned by the state of Baden-Württemberg

Baden-Württemberg

Baden-Württemberg is one of the 16 states of Germany. Baden-Württemberg is in the southwestern part of the country to the east of the Upper Rhine, and is the third largest in both area and population of Germany's sixteen states, with an area of and 10.7 million inhabitants...

.

The Ortenau S-Bahn operates services over DB Netz AG

DB Netz

DB Netz AG is a 100%-owned subsidiary of Deutsche Bahn is a railway infrastructure provider, which owns and operates a majority of the German railway system . The company was established in the course of the second stage of the German rail reform as a subsidiary of Deutsche Bahn...

 owned tracks in the area around Offenburg

Offenburg

Offenburg is a city located in the state of Baden-Württemberg, Germany. With about 60,000 inhabitants, it is the largest city and the capital of the Ortenaukreis.Offenburg also houses University of Applied Sciences Offenburg...

. Services connect Offenburg to Appenweier

Appenweier

Appenweier is a municipality in western Baden-Württemberg, Germany in the district of Ortenau.- Geography :Appenweier consists of the main municipal Appenweier , Urloffen , known for horseradish-growing, and Nesselried...

, Kehl

Kehl

Kehl is a town in southwestern Germany in the Ortenaukreis, Baden-Württemberg. It is located on the river Rhine, directly opposite the French city of Strasbourg.-History:...

, Strasbourg

Strasbourg

Strasbourg is the capital and principal city of the Alsace region in eastern France and is the official seat of the European Parliament. Located close to the border with Germany, it is the capital of the Bas-Rhin département. The city and the region of Alsace are historically German-speaking,...

, Bad Greisbach, Hausach

Hausach

Hausach is a town in the Ortenaukreis, in western Baden-Württemberg, Germany. It is situated in the Black Forest, on the river Kinzig, 25 km southeast of Offenburg.-External links:...

 and Freudenstadt

Freudenstadt

Freudenstadt is a town in Baden-Württemberg in southern Germany. It is capital of the district Freudenstadt. The closest population centres are Offenburg to the west and Tübingen to the east ....

. They run over sections of the Rhine Valley, Black Forest and Appenweier–Strasbourg

Appenweier–Strasbourg railway

The Appenweier–Strasbourg railway is a major railway line linking the French TGV station at Strasbourg with the German Rhine Valley Railway and the Karlsruhe–Basel high-speed railway . The line is almost entirely double-tracked and fully electrified...

 main lines, together with the Renchtalbahn and Kinzigtalbahn branch lines.