Drina River, river in the central Balkans, originating with the confluence of the Tara and Piva rivers and following a 215-mi (346-km) course, mainly northward, to enter the Sava. Its upper course is through canyons and gorges, while its lower course is wider. The river Drina, green and fast, like the time that marches by, a witness to human goodnes and human evil, for sure is the best described in novels of Ivo Andric, winner of the 1961 Nobel Prize in Literature. Drina is one of the most beautiful rivers in Serbia. In ancient times it was called Drinos and people named it Zelenika or Zelenka (Green in Serbian) after colour of its water. It meanders through picturesque mountainous and plain regions of Bosnia and Serbia. On its banks are settled broad ravines with cultivable and inhabited fields as well as steep banks of rugged and canyon type overgrown with willows, poplars and short...