The most complete surviving royal garden refers to the

The most complete surviving royal garden is the Summer Palace in Beijing, China. The Summer Palace was a large-scale and sophisticated royal garden during the Qing Dynasty in China, and was once a summer resort for the Qing emperors and members of the royal family. It was built in the middle of the 18th century and has been expanded and restored many times, covering an area of 290 hectares, bringing together the great achievements of ancient Chinese garden architecture, and is one of the outstanding representatives of Chinese garden art.

The Summer Palace consists of five garden elements: mountains, water, forests, flowers and stones, incorporating traditional Chinese culture and architectural styles, and has strong historical and humanistic values. Some of the famous attractions include the Wanshou Mountain, the Promenade, the Liuli Qi Garden, and the Le Shoutang. The unique beauty of the Summer Palace, its garden architecture, and its rich cultural connotations have attracted tourists from all over the world to visit and learn.