Terlizzi is an Italian small town of 26,084 inhabitants in the Metropolitan City of Bari in Apulia, lying to the north west of the seaport of Bari on …Terlizzi is an Italian small town of 26,084 inhabitants in the Metropolitan City of Bari in Apulia, lying to the north west of the seaport of Bari on the Adriatic Sea, in the midst of a fertile plain.