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 or Istros, an ancient Greek colony on the western shore of the Black Sea, 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