Feria ganadera de Villamartín Activity · Villamartín, Sierra de Cádiz, Cádiz Image of Villamartín, not of the place itself. The Villamartín livestock fair (Cádiz), considered the oldest in Andalusia and held since the 16th century. It takes place from 20 to 24 September, coinciding with the patronal festivities of San Mateo, and combines a livestock market with popular festivities. Photo: Panarria (CC BY 2.5) What to see and do in Villamartín