The county hall number of the prince's surname

Langya County: also known as Langya State, Langya County and Langya County. During the Spring and Autumn Period, the State of Qi had Langya City. In the northwest of Langyatai, Jiaonan County, Shandong Province, there is a saying that Gou Jian, the King of Yue, moved his capital here. After Qin unified the six countries, Langya County was established in the territory. All the counties are in Langya (Summer River), and the county territory is in the southeast of Shandong Peninsula. During the Western Han Dynasty, Wu Dong (now Zhucheng, Shandong Province) was ruled, and Langya Prefecture, Yun County and Zhuzi Houzhou were added to the territory, which governed Haiyang, Jimo, Laoshan, Jiaoxian, Jiaonan, Yishui, Yingnan, Rizhao, Wulian, Ganyu (now Ganyu, Jiangsu Province) and Qingdao in the southeast of Shandong Peninsula. During the Eastern Han Dynasty, Langya was changed to Kaiyang (now Linyi, Shandong). During the Jin Dynasty, it was changed to Langya Province. During the Northern Wei Dynasty, autumn ruled (now Linyi, Shandong). In the Sui Dynasty, Langya County was restored. It was abandoned in the Tang Dynasty and returned to Jiaozhou and Zhucheng. At that time, it belonged to Zhucheng, Linyi and Jiaonan in the southeast of Shandong Province. Gan Yuan was deposed in the early years of Tang Dynasty (758 AD, 1898), followed by Langya County in Yizhou. From the Wei and Jin Dynasties, Langya Taiwan and Langya County in the Qin Dynasty were not among Langya counties (countries). Another county, Langya County, located in Nanjing, Jiangsu Province, was abandoned in the Tang Dynasty.

Pingshui County: Pingyang Prefecture and Pingyang County, which are now Linfen City, Shanxi Province. In the early years of the Western Han Dynasty (Jihai, 202 BC), Pingyang County was established and ruled in Pingyang (now Linfen, Shanxi). During the Three Kingdoms period, in the eighth year (Ding Mao, AD 247), Cao Wei merged a part of Hedong County with Pingyang County, which was also under the jurisdiction of Pingyang (now Linfen, Shanxi). At that time, it was under the jurisdiction of Fenhe River basin south of Huoxian County, Shanxi Province and its western region, and Pingyang County of Sizhou had ten counties under its jurisdiction. In the Western Jin Dynasty, Pingyang County was still in charge of twelve counties. At the beginning of Yongjia three years in Jin Dynasty (the first year of Zhao Gaozurui, AD 309), Liu Yuan, a Hun, moved his capital to Pingyang from Puzicheng (Xixian County), proclaimed himself emperor and established the Han Dynasty, which belonged to the territory. In the Eastern Jin Dynasty, it belonged to Bingzhou, Yongzhou and Jizhou successively. During the Northern Wei Dynasty, the territory was East Yongzhou, which governed seven counties and twenty counties. In the first year of Northern Wei Dynasty (Chen Wu, AD 428), Baima City (now Linfen, Shanxi Province) was built, which was named after Wei punished Baima for offering sacrifices to the gods of heaven and earth. Xiaochang moved to Tang Zhou in the second year to rule Pingyang Old Town (Liucun); In the first year of Jianyi in the Northern Wei Dynasty (Wu Shen, AD 528), it was renamed Jinzhou, moved to Macheng, and ruled the city by county, which is still in use today, namely Linfen City, Shanxi Province. Langya Hall: A hall built with hope, also known as Langya Hall, Langya Hall and Kaiyang Hall.

Pingshui Hall: A hall built with hope, also known as Pingyang Hall and Baima Hall.