Water Castle is one of the heritage cultures in Yogyakarta. The Water Castle lies in the southern part of Yogyakarta Sultan Palace. It has become a tourist attraction visited by many traveler foreign and domestic. Water Castle or Tamansari consists of 2 words, namely Taman and Sari. Water Castle complex is a beautiful garden park in the Sultan Palace of Yogyakarta. To enter the Water Castle can be through a back road, and it was built during Sultan Hamengkubuwana 1 reign and completed by Sultan Hamengkubuwono 2. The architect of the building is Portuguese style, so the art building has European architecture. The symbolic meaning of Java was maintained and more dominant.
The Water Castle is a building complex consisting of swimming baths, water canals, private rooms, and a large pond. Historically, this place was used for baths by reigning monarchs Sultan of Yogyakarta, and their families. The venue is used for worship because the Water Castle building is equipped with a mosque, precisely in Gumuling well. There is a Passage in the neighborhood of Water Castle. According to the story, a hallway connects Parangtritis Beach's ends. It said the king of Yogyakarta was always associated with the South Sea Queen or Nyi Roro Kidul. The hallway was a path used to have a meeting with the Queen. Right now, the hall has been closed due to old age.
Besides being used as a vacation home and resting place, Water Castle was also a fortress. The wall surrounding the Water Castle even looks old but still sturdy. This was evident when the earthquake in Yogyakarta and surrounding areas in 2006, the wall is still standing firmly.