Polignac is a commune in the Haute-Loire department in south-central France. It is a member of Les Plus Beaux Villages de France Associa…Polignac is a commune in the Haute-Loire department in south-central France. It is a member of Les Plus Beaux Villages de France Association. The town is dominated by the Forteresse de Polignac with its square donjon tower, 32 m tall. The Chateau de Lavoute Polignac is a few miles away, close to the village of Lavoute.