Utica was the first colony established by the Phoenicians in North Africa and was located between Carthage and Hippo Diarrhytus. The city surrendered to Rome prior to the beginning of the Third Punic War and acquired municipium status in 36 BC.
From Schoder's lecture notes:
IX c. Punic, ally of Carthage. Capital of Rom. Africa 146 -- Aug's restoration of Carthage. Here Cato killed self 46 when Caesar won at Thapsus.
X Roman house: new excav. 1955
Fountain mosaic in Roman house
Cato Uticensis: brze. portr. (Rabat, fr. Volubilis): grandson C. Censor, chief political opponent Caesar, suicide aft. Thapsus.