The festivities of the Rosario Activity · Sardón de los Frailes, Tierra de Ledesma, Salamanca Image of Sardón de los Frailes, not of the place itself. On 28 September the municipality holds its festivals in honour of Our Lady of the Rosary, the annual event of a municipal district formed by Sardón de los Frailes and Villarejo, with fewer than a hundred inhabitants across 32.46 square kilometres. Photo: Ramajero (CC BY-SA 4.0) What to see and do in Sardón de los Frailes