The Archaeology News Network: Bulgaria's Bononia is largest Roman fort along Lower Danube — archaeologynewsnetwork.blogspot.com

The Bononia fort stretched over an area of 200 decares from the modern city center to the Baba Vida fortess. Its walls are 2.70 to 3 meters thick and the diameter of one of the towers is 8-30 meters. Inside tower number 8, archaeologists found coins and ceramics which show that Bononia was built in the 20-30's of the fourth century. “This was a massive fortress system - the largest one to be discovered along the Lower Danube,” Dimitrov explained.

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