Orsova, two fortified towns on opposite banks of the Danube, at the Iron Gates: Old Orsova (3), in Hungary, is a trading and shipping centre; New Orsova, in Servia, was repeatedly taken and retaken in the wars of the 18th century.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Orsini, Felice * Orviëto