Patriarchal Basilica of Aquileia

Basilica di Santa Maria Assunta is the principal church in the town of Aquileia, in the Province of Udine and the region of Friuli Venezia Giulia, Italy.

The original church dates back to the fourth century. The current basilica was built in the eleventh century and partially rebuilt again in the thirteenth century. It is located on Via Sacra, overlooking the Piazza del Capitolo, along with the campanile and baptistery.

Source: Wikipedia