1) Ancient Greek geography 
BorysthenesPronunciation-needed (Βορυσθένης) is a geographical name from classical Antiquity. The term usually refers to the Dniepr River and its eponymous river god, but also seems to have been an alternative name for Pontic Olbia, a town situated near the mouth of the same river on the Black Sea coast. Herodotus describes both the rive...