Which country did Guangchang County in Jiangxi belong to during the Three Kingdoms period?

During the Three Kingdoms period, Guangchang County in Jiangxi Province belonged to the State of Wu.

Guangchang County is located in the south of Fuzhou City, Jiangxi Province, at the west foot of Wuyi Mountain. It is adjacent to Jianning County, Fujian Province in the east, Shicheng County in the south, Ningdu County in the west and Nanfeng County in the north. The transportation hub of Jiangxi, Fujian and Guangdong. It is the south gate of Fuzhou and the birthplace of Fuhe River, the second largest river in Jiangxi. Jianxian County was founded in the eighth year of Shaoxing in the Southern Song Dynasty (1 138). Named after "the road leads to Fujian and Guangdong, and the county belongs to Jianchang". Because it is rich in white lotus, it is also called "the hometown of white lotus in China". The county is 45 kilometers wide from east to west and 55 kilometers long from north to south, with a total area of 16 12 square kilometers. It governs 5 towns and 6 townships 1 field 129 administrative villages with a total population of 240,200 (20 13).