Côtière or Côtière de l'Ain is a natural region located southwest of the department of Ain, France. It is along a slope of about forty kilometers, beginning with the balcony of Croix-Rousse and ending in Meximieux.
The main cities are Miribel, Montluel and Meximieux. Pérouges is member of Les Plus Beaux Villages de France.
Wikipedia https://en.wikipedia.org/wiki/Côtière
Coordinates 45°51'48.993" N 5°7'29.52" E