The municipality covers 33.55 km ². The Ebre river is the dividing line with the municipalities of
Tivenys and
Benifallet to the east. To the west, the land is hilly, and there are recent eastern foothills of the
Iberian System. Tramontana noon, adjoins the "Coll del Musso" to
Paüls, and the "Colls d'en Gràcia" of the "Tossal de la Cova del Bou", which borders with
Alfara de Carles in the west. In the south the border coincides with a stretch of the gorge "la Conca" and then curve towards the north diagonally to the right and near the gorge "del Llop", with
Aldover. Xerta has good communication with
Mora d'Ebre,
Tortosa and the
A-7 autopista; through the regional road (C-12) known as the "Eix de l'Ebre". Zaragoza was formerly with the rail line from the "Val de Zafán", closed in September 1973 and now converted into a
greenway (110 km from Bajo Aragon and even Tortosa). == The Assut of Xerta ==