Lake Neusiedl (German: Neusiedler See) or Fertő (Hungarian: Fertő tó; Croatian: Nežidersko jezero, Niuzaljsko jezero; Slovene: Nežidersko jezero) is the largest endorheic lake in Central Europe, straddling the Austria-Hungarian border. The lake covers 315 km², of which 240 km² is on the Austrian side and 75 km² on the Hungarian side. The lake's drainage basin has an area of about 1,120 km². From north to south, the lake is about 36 km long, and it is between 6 km and 12 km wide from east to west.