Festivities of Andilla Activity · Andilla, Los Serranos, Valencia Image of Andilla, not of the place itself. Andilla (Valencia) celebrates two patronal festivals: that of Saint Agnes, on 21 January, and that of Saint Bartholomew, on 24 August. The festival of Saint Agnes is linked to the village hermitage dedicated to the saint, next to which it is celebrated. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in Andilla