Numana is a coastal town and comune of the province of Ancona in the Marche region of Italy. Most scholars see Numana as having been fo…Numana is a coastal town and comune of the province of Ancona in the Marche region of Italy. Most scholars see Numana as having been founded by people of Sabine origin, but Pliny the Elder attributed its foundation to the Siculi, but whatever its origin, it was an important commercial centre in the 6th and 5th centuries BC. In about 500 BC, the expansion of Roman power and the later foundation and growth of Ancona led to the decline of Numana. However, it maintained a certain importance, becoming in the 5th or 6th century an episcopal see.