city of the region and became a municipium, or centre of an administrative region, during the reign of Emperor Trajan (98-117) and was renamed Ulpia Serdica.

The city was burnt and destroyed in 170 by the Costoboci, and the city was rebuilt, this time with its first defensive walls between 176-180 under Marcus Aurelius, as evidenced by inscriptions above the gates.

The city expanded again,

1.Previous
3.Next