The Grand Terrace is a part of spa buildings intended for relaxation and enjoyment. The grand opening of the Grand Terrace was in 1912. At that time it was used as a multipurpose facility. The upstairs was renowned for its monumental ball room. Allegedly the second world indoor tennis match, the first one was in London, was held in this ball-room. A restaurants and a pastry shop were downstairs. Two open terraces that embellish the front of the building are decorated by magnificently wooden carved parapet typical of Hungarian Art Nouveau. Today, it is also a multipurpose venue with a big conference hall.