Moustiers-Sainte-Marie (French pronunciation: [mustje sɛ̃t maʁi]; Occitan: Mostiers Santa Maria), or simply Moustiers, is a commune in the Alpes-de-Haute-Provence department in the Provence-Alpes-Côte d'Azur region of Southeastern France.

A spring flows out of the cliff and creates a waterfall in town, providing water power.

The village was built on platform terraces a hundred or so metres up the side of a limestone cliff.

At twilight, when the sun on a clear day strikes the south-facing cliff, a diffuse pink light glows across the village.

[3][4][5] According to the legend, during the Crusades the knight Bozon de Blacas was held prisoner by the Saracens; he vowed to hang a star over his village if he was able to return.