Duchy of Bari
The Duchy of Bari was a significant administrative division within the Kingdom of Naples, comprising several territories, including Acquaviva delle Fonti, Bari, Modugno, Ostuni (incorporated into the duchy in 1506), Palo del Colle, and Rossano. Bari, as the capital, functioned as a key administrative and economic center in the region, influencing trade and political activities.