Festivities of la Codoñera Activity · La Codoñera, Bajo Aragón, Teruel Image of La Codoñera, not of the place itself. La Codoñera celebrates its fiestas mayores in honor of San Cosme and San Damián on the weekend closest to 26 September, and its winter festivities for San Valero and San Antón around 20 January. Carlos III granted it the title of villa on 21 May 1776. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in La Codoñera