Fiestas patronales de Santa Eufemia, 'La Serrada' Activity · Villafranca, Ribera Alta, Navarra Image of Villafranca, not of the place itself. The patron saint festival of Villafranca in honor of Santa Eufemia, known as "La Serrada," celebrated from 15 to 22 September. 15 al 22 de septiembre Photo: José Ignacio Esnarriaga San José (CC BY 4.0) What to see and do in Villafranca