In the beginning they included geographically only the inland areas, leaving the Byzantines control of the coastal areas; only later (particularly during the reign of Agilulf, 591–616) Lombard possessions were extended also to the coasts.
Alguses hõivasid nad geograafiliselt ainult sisemaa, jättes rannikualad Bütsantsi kontrollida; alles hiljem (eriti Agilulfi valitsemise ajal 591–616) ulatusid langobardide valdused ka rannikule.