The Muralla de Constantí is a medieval fortification system established in the early 13th century by Archbishop Espàrec de la Barca of Tarragona to protect and develop the town. Built alongside the archbishop's castle—which became his summer residence—the city wall was part of a comprehensive defensive strategy following the conquest of Siurana. The fortifications represent the archbishop's significant investment in populating and securing the medieval settlement of Constantí in Catalonia, demonstrating ecclesiastical authority's role in territorial organization and urban defense during the High Middle Ages.
