Sizhou, Si Prefecture, or Si Subprefecture was a '' zhou'' of

imperial China The history of China spans several millennia across a wide geographical area. Each region now considered part of the Chinese world has experienced periods of unity, fracture, prosperity, and strife. Chinese civilization first emerged in the Y ...

variously placed in what is now

Xuyi County Xuyi is a county under the administration of Huai'an Prefecture in central Jiangsu Province in eastern China. The southernmost of Huai'an's county-level divisions, it borders the prefecture-level cities of Suqian, Jiangsu, to the north and C ...

Jiangsu Jiangsu is a coastal Provinces of the People's Republic of China, province in East China. It is one of the leading provinces in finance, education, technology, and tourism, with its capital in Nanjing. Jiangsu is the List of Chinese administra ...

, or nearby Si County,

Anhui Anhui is an inland Provinces of China, province located in East China. Its provincial capital and largest city is Hefei. The province is located across the basins of the Yangtze and Huai rivers, bordering Jiangsu and Zhejiang to the east, Jiang ...

, both in

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. Named for the

Si River The Si River (Chinese: 泗河, pinyin: Sì Hé; formerly 泗水, pinyin: Sì Shuǐ) is a river in Shandong Province, eastern China. It also ran through the area of modern Jiangsu Province until floods changed its course in 1194. Course The S ...

, it existed intermittently from 580 to 1912, during which time the relative position of a ''zhou'' within Chinese administrations varied. The same name Sizhou was used for the town used as the seat of the prefectural or subprefectural government, which also varied, and is preserved in modern Anhui's Si County and Sicheng.

Geography

Tang

The administrative region of Si Prefecture in the

Tang dynasty The Tang dynasty (, ; zh, c=唐朝), or the Tang Empire, was an Dynasties of China, imperial dynasty of China that ruled from 618 to 907, with an Wu Zhou, interregnum between 690 and 705. It was preceded by the Sui dynasty and followed ...

is in the border area of modern northwestern

and northern

. It probably includes parts of modern: * Under the administration of

Suqian Suqian ( zh, s=, t=, p=Sùqiān, IPA: ) is a prefecture-level city in northern Jiangsu Province, China. It borders Xuzhou to the northwest, Lianyungang to the northeast, Huai'an to the south, and the province of Anhui to the west. History Suqi ...

: **Suqian **

Shuyang County Shuyang () is a Counties of China, county in northern Jiangsu province. It is under the administration of the prefecture-level city of Suqian. Shuyang sits on the Northern Jiangsu Plains and borders the cities of Xuzhou, Lianyungang, and Huai'a ...

Siyang County Siyang County () is under the administration of Suqian, Jiangsu province, China. It borders the prefecture-level city of Huai'an ) , leader_title1 = , leader_name1 = , leader_title2 = , leader_name2 = , le ...

** Sihong County * Under the administration of

Xuzhou Xuzhou ( zh, s=徐州), also known as Pengcheng () in ancient times, is a major city in northwestern Jiangsu province, China. The city, with a recorded population of 9,083,790 at the 2020 Chinese census, 2020 census (3,135,660 of which lived in ...

, Jiangsu: **

Pizhou Pizhou () is a county-level city under the administration of Xuzhou, Jiangsu province, China. As of 2020 it had a population of 1,462,563; it borders the Shandong prefecture-level cities of Linyi to the northeast and Zaozhuang to the northwest ...

** Suining County * Under the administration of

Huai'an ) , leader_title1 = , leader_name1 = , leader_title2 = , leader_name2 = , leader_title3 = , leader_name3 = , leader_title4 = , leader_name4 = , established_title = ...

, Jiangsu: ** Lianshui County **

* Under the administration of

Lianyungang Lianyungang () is a prefecture-level city in northeastern Jiangsu province of China, province, China. It borders Yancheng to its southeast, Huai'an and Suqian to its south, Xuzhou to its southwest, and the province of Shandong to its north. Its ...

, Jiangsu: **

Guannan County Guannan County () is under the administration of Lianyungang, Jiangsu Jiangsu is a coastal Provinces of the People's Republic of China, province in East China. It is one of the leading provinces in finance, education, technology, and tourism ...

* Under the administration of

Suzhou Suzhou is a major prefecture-level city in southern Jiangsu province, China. As part of the Yangtze Delta megalopolis, it is a major economic center and focal point of trade and commerce. Founded in 514 BC, Suzhou rapidly grew in size by the ...

: ** Si County

Qing

Under the

Qing The Qing dynasty ( ), officially the Great Qing, was a Manchu-led Dynasties of China, imperial dynasty of China and an early modern empire in East Asia. The last imperial dynasty in Chinese history, the Qing dynasty was preceded by the ...

, Si Subprefecture formed a division of

Jiangnan Province Jiangnan, formerly romanized as Kiangnan, was a historical province of the early Qing dynasty of China. Its capital was Jiangning (now Nanjing), from which it is sometimes known as Nanjing or Nanking Province. Established in 1645 during the Qing ...

. The subprefectural seat at Sizhou was entirely submerged within Hongze Lake in 1680, along with the nearby

Ming Zuling The Ming Ancestors Mausoleum, Ming Ancestor Tomb, or Zuling Tomb was the first imperial mausoleum complex of the Ming dynasty, constructed at a geomantically advantageous site near the inlet of the Huai River into the west side of Hongze Lake i ...

tombs. The seat of government was subsequently moved first to

Xuyi Xuyi is a county under the administration of Huai'an Prefecture in central Jiangsu Province in eastern China. The southernmost of Huai'an's county-level divisions, it borders the prefecture-level cities of Suqian, Jiangsu, to the north and Chuzh ...

in what is now

's Huai'an Prefecture and Si County in

References

* Prefectures of the Sui dynasty Prefectures of the Tang dynasty Prefectures of the Song dynasty Prefectures of the Yuan dynasty Subprefectures of the Ming dynasty Departments of the Qing dynasty Prefectures of Yang Wu Prefectures of Southern Tang Prefectures of Later Zhou Former prefectures in Anhui Former prefectures in Jiangsu {{China-hist-stub