The Archaeological Area of Aquileia covers one of the largest and wealthiest cities of the Early Roman Empire, and is considered the most complete example of an Early Roman city. The Patriarchal Basilica of Aquileia is one of the most important edifices of Christianity. It is a flat-roofed basilica erected by Patriarch Poppo in 1031 on the site of an earlier church, and rebuilt about 1379 in the Gothic style by Patriarch Marquad. It played a decisive role in the spread of Christianity into ce