Keszthely is a Hungarian city of 20,895 inhabitants located on the western shore of Lake Balaton. It is the second largest city by the lake and one of the more important cultural, educational and economic hubs in the region. Due to its favorable location and accessibility by both road and rail, Keszthely and the surrounding area is a preferred holiday destination.

Lake Balaton is a freshwater rift lake in the Transdanubian region of Hungary. It is the largest lake in Central Europe, and one of the region's foremost tourist destinations. The Zala River provides the largest inflow of water to the lake, and the canalized Sió is the only outflow.