Transdanubia, which stretches westward from the centre of the country towards Austria, is a primarily hilly region with a terrain varied by low mountains. These include the very eastern stretch of the Alps, ''Alpokalja'', in the west of the country, the Transdanubian Mountains in the central region of Transdanubia, and the Mecsek Mountains and Villány Mountains in the south. The highest point of the area is the Írott-kő in the Alps, at . The Little Hungarian Plain (''Kisalfőld'') is found in northern Transdanubia. Lake Balaton and Lake Hévíz, the largest lake in Central Europe and the largest thermal lake in the world, respectively, are in Transdanubia as well.