Podrinje is the Slavic name of the Drina river basin, known in English as the Drina Valley. The Drina basin is shared between Bosnia and Herzegovina and Serbia, with majority of its territory being located in Eastern Bosnia, entire Upper Drina course and majority of the Middle course, while the Lower Drina course is shared between two countries, with the river representing border. The part of the Drina basin located in Bosnia and Herzegovina is also called Eastern Bosnia.