Hua'an County is a County under Zhangzhou

Zhangzhou

Zhangzhou is a prefecture-level city in southern Fujian province, People's Republic of China. Located on the banks of the Jiulong River , Zhangzhou borders the cities of Xiamen and Quanzhou to the northeast, Longyan City to the northwest and the province of Guangdong to the southwest.Zhangzhou...

 municipality, in southern most Fujian province.

The county comprises most of the lower watershed of the Jiulong Jiang

Jiulong River

The Jiulong River or Jiulong Jiang is the largest river in southern Fujian, and the second largest in the province. Like all Fujian rivers but one, it flows into the Taiwan Strait....

's north branch (九龙江北溪) and has long been a transport corridor. The first rail connection to the port of Xiamen

Xiamen

Xiamen , also known as Amoy , is a major city on the southeast coast of the People's Republic of China. It is administered as a sub-provincial city of Fujian province with an area of and population of 3.53 million...

, laid during the Great Leap Forward

Great Leap Forward

The Great Leap Forward of the People's Republic of China was an economic and social campaign of the Communist Party of China , reflected in planning decisions from 1958 to 1961, which aimed to use China's vast population to rapidly transform the country from an agrarian economy into a modern...

 era, came down this valley.

The county seat is Huafeng (华丰镇). East of there, up a tributary valley, is Xiandu town (仙都镇), which features some prime examples of Tulou

Tulou

A tulou , or "earthen building", is a traditional communal residence in the Fujian province of Southern China, usually of a circular configuration surrounding a central shrine...

 and Fujian Tulou

Fujian Tulou

Fujian Tulou is a type of Chinese rural dwellings of the Hakka and others in the mountainous areas in southeastern Fujian, China. They were mostly built between the 12th and the 20th centuries....

.