Visible in the lower half of this image is the light greenish-blue Lake Balaton, a freshwater lake in the Transdanubian region of Hungary. It is the largest lake in Central Europe. The Zala River provides the largest inflow of water to the lake, and the canalized Sió is the only outflow. The region by the northern shores is mountainous, while the land by the southern shores is flat.
Visible to its northwest is the tan Lake Neusiedl, the second largest steppe lake in Central Europe, straddling the Austrian–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.