Aquapalace Prague is the largest water park in the Czech Republic. It is located in Čestlice, about 100 metres (330 ft) from the Prague city limits. The park opened on May 5, 2008. It has both indoor and outdoor areas, which are connected. The main water park covers an area of 9,150 square metres (98,500 sq ft) and is made up of three themed "palaces": Palace of Treasures, Palace of Adventure and Palace of Relaxation; the "Sauna World" section of the park covers another 1,750 square metres (18,800 sq ft).