Fiestas de San Pedro (Retamal de Llerena) Activity · Retamal de Llerena, Campiña Sur, Badajoz Image of Retamal de Llerena, not of the place itself. The festivities of San Pedro are held on June 29 and the following days; in mid-August an emigrant fair is also held. 29 de junio; mediados de agosto Photo: Amgarciac (CC BY-SA 3.0) What to see and do in Retamal de Llerena