Archaeological Ruins of Liangzhu City (ca. 3300-2300 BC) was the center of power and belief of an early regional state in the Circum-Taihu Lake Area. It is located in the plains full of river networks on the eastern foothill of Tianmu Mountains in the Yangtze River Delta on the southeast coast of China, and is under the jurisdiction of Yuhang District, Hangzhou City, Zhejiang Province.

Archaeological Ruins of Liangzhu City, as the center of power and belief of Liangzhu culture, reveals an early regional state with rice-cultivating agriculture as the economic support and social differentiation and unified belief which existed in the Circum-Taihu Lake Area in the lower reaches of the Yangtze River in the Late Neolithic of China, with a series of sites, including the large-scale City Site, the Peripheral Water Conservancy System with complex functions and graded cemeteries (including altar) built during 3300 - 2300 BC, and the unearthed objects represented by serial jade artifacts symbolizing the belief and system, and its early age, great achievement and