Duchy of Naples

State · 763–1138 CE · at its largest around 840 CE

A Byzantine duchy around Naples that became effectively independent under its own dukes. Roger II of Sicily annexed it in 1137.

On its lands while it lasted

Naples (c. 763 CE): Capital of Duchy of Naples (763–1137), Kingdom of Sicily (1266–1282), Kingdom of Naples (1285–1805), and 2 more.