Guissona Main Festival Activity · Guissona, Segarra, Lleida Festa major of Guissona (Segarra, Lleida), a town where the Roman site of Iesso is located. It is held in September and its events include the Trobada de Gegants, in which the town's giants, Roc and Plàcida, are displayed. finals d'agost Photo: Castellers d'Esplugues (CC BY 2.0) What to see and do in Guissona