The state-owned company first began managing hotels in April 1972 with the acquisition of the already-operational Grand Hotel Margitsziget and Hotel Helikon in Keszthely.
The first Jews settled in what is now the town of Keszthely in the early 18th century.
Prince György Tasziló József Festetics de Tolna (4 September 1882, Baden-Baden – 4 August 1941, Keszthely); who married to Countess Marie Franziska von Haugwitz.
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During her 40 year marriage to Graf, and later Prince Festetics, Lady Mary oversaw enlargement and improvement of the Festetics' main seat, Festetics Palace, and its gardens, in Keszthely, western Hungary.
Helicon was the inspiration for the balls held by the Hungarian composer Leó Festetics at his castle near Keszthely.
In 1995 Szabadi established, as Artistic Director, a chamber music festival in Keszthely, a resort on Lake Balaton.
- Georges Cziffra pianist master course, joint exhibit, Keszthely, June, 1987 - Castle Festetics