The Elbe, Oder, and Mur are all rivers of Central Europe. The Elbe is a major river in Central and Western Europe that flows from the Czech Republic to the North Sea. The Oder is a river that runs through Germany and Poland, and is the second longest river in Central Europe. The Mur is a river in Austria and Slovenia that flows into the Drava River. All three rivers are important sources of water for the countries they flow through.