Morava River

German  March,   tributary of the Danube rising in eastern Czech Republic; in its lower course, the river divides the Czech Republic from Slovakia and then Slovakia from Austria. It gives its name to Moravia, an ancient region that covers most of the river's drainage basin, which is 15,000 square miles (38,900 square km) in area. Its western tributaries drain from the Bohemian-Moravian Highlands; the