Near The Rosier agency and Gordes Castle, in the village center towards the theater terraces and the 'belvedère', a monumental church is found devoted to San Fermin, a bishop of the sixth century. http://uk.rosier.pro/details-saint+firmin+church+in+gordes+walking+distance+from+rosier+real+estate-2723.html
Cave dwelling-like halls, cisterns, underground stairways, olive oil mills, etc, built up and fitted out over the centuries in a big house called the "Palais Saint Firmin".
Listed as a Historic Monument. http://www.avignon-et-provence.com/en/monuments/cellars-palais-saint-firmin