It stretched far inland from the Mediterranean coast between what is now Nice and Monaco . The lower reaches of the Varus ( Var ) was a border river in the west, the sources of the Po were also included in the north, as well as the eastern slope of Caenia Mons ( Mont Pelat , 3,053 m) and the southern slope of Vesulus Mons ( Monte Viso , 3841 m). Alpes Maritimae was founded after the Roman subjugation of Ligurian tribes in the summer of 14 BC. BC under the administration of a knightly prefect . In 63 AD the province was given Latin law . From then on, a procurator ( praeses ) exercised administrative power. Under Diocletian , the area was expanded to include parts of Gallia Narbonensis and Alpes Cottiae and the Dioecesis Septem Provinciarum was assigned.
Roman provinces under Trajan (117 AD)
The main places in the province were: