Istros

Istros may refer to:

• Istros the Callimachean – Greek author, whose writings survive only in fragments

Geography

• Istros (island), island in the Aegean Sea
• Histria (Sinoe) or Istros, an ancient Greek colony on the western shore of the Black Sea, near the modern village of Istria, Constanța, Romania
• The ancient Greek name for the lower section of the Danube, Europe's second longest river
• In Greek mythology, one of the Potamoi (river gods), descended from the Titans Oceanus and Tethys, associated with the Istros River (modern Danube).

Culture

• Istros Books, a London-based publisher of books from the Balkans in English translation