Ollans () is a commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France.
Geography Ollans lies north of Marchaux on the border of the department of Haute-Saône. It is situated on the Ognon, which forms the border between the two departments.
Population
See also Communes of the Doubs department
References
External links
Ollans on the intercommunal Web site of the department