Thugga (Dougga) was found ed by the Phoenicians in the 6th century BC. It later became a Numidian city before becoming a Roman colony.
From Schoder's lecture notes:
THUGGA (Dougga): Phoenician. Taken fr. Carthage by Numidian King Massinissa early IIc. rom. control till Septimius Severus, then autonomus, later Colony.
Temple of moon goddess Tanit/Juno, w. surrounding crescent colonnade
Capitolium top: inscr. shows by M. Aurelius. Monoligha
X Dressing room of Baths: 2-3 c.