Economy of Hungary and the Tisza. The Danube also flows through parts of Germany, Austria, Slovakia, Serbia, and Romania. It is navigable within Hungary for 418 km. The Tisza River is navigable for 444 km in the country. Hungary has three major lakes. Lake Balaton, the largest, is 78 km long and from 3 to 14 km wide, with an area of 592 km. Lake Balaton is Central Europe's largest lake and a prosperous tourist spot and recreation area. Its shallow waters offer summer bathing and during the winter its frozen surface provides facilities for winter sports. Smaller bodies of water include Lake
Lake Balaton on Lake Balaton, including Balatonfüred and Hévíz, have long been resort centres for the Hungarian aristocracy, it was only in the late 19th century that the Hungarian middle class began to visit the lake. The construction of railways in 1861 and 1909 increased tourism substantially, but the post-war boom of the 1950s was much larger. The last major German offensive of World War II, Operation Frühlingserwachen, was conducted in the region of Lake Balaton in March 1945, being referred to as "the Lake Balaton Offensive" in many British histories of the war. The battle was a German attack by Sepp