Arlay is a commune in the Jura department in Franche-Comté in eastern France.
Arlay's early importance lay in the fact that it was a station where the "Salt Road" forded the River Seille. It was refounded by the Romans as an oppidum and functioned as a Gallo-Roman city until it was repeatedly laid waste from the third to the fifth century in the barbarian invasions. The...