Doubs in the context of Mont d'Or (Jura Mountains)

Montbéliard (French: [mɔ̃beljaʁ] ; traditional German: Mömpelgard) is a town in the Doubs department in the Bourgogne-Franche-Comté region in eastern France, about 13 km (8 mi) from the border with Switzerland. It is one of the two subprefectures of the department.

The Sequani were a Gallic tribe dwelling in the upper river basin of the Arar river (Saône), the valley of the Doubs and the Jura Mountains during the Iron Age and the Roman period.

Besançon (UK: /ˈbɛzənsɒn/, US: /bəˈzænsən/; French: [bəzɑ̃sɔ̃] , Franco-Provençal: [bəzɑ̃ˈsɔ̃]; archaic German: Bisanz; Latin: Vesontio) is a French city that serves as the capital of the department of Doubs in the region of Bourgogne-Franche-Comté. The city is located in Eastern France, close to the Jura Mountains and the border with Switzerland.

Capital of the historic and cultural region of Franche-Comté, Besançon is home to the Bourgogne-Franche-Comté regional council headquarters, and is an important administrative centre in the region. It is also the seat of one of the fifteen French ecclesiastical provinces and one of the two divisions of the French Army.

Rigney (French pronunciation: [ʁiɲɛ]) is a commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France. Its hamlet La Roche-sur-l'Ognon is also the most likely place of origin of the first ducal family of the Duchy of Athens, the de la Roche family.