Are Sihong and Siyang the same place?

Sihong and Siyang are different places.

Sihong County is a county under the jurisdiction of Suqian City, Jiangsu Province, which is located in the northwest of Jiangsu Province, south of Suqian City, downstream of Huaihe River and east of Hongze Lake. It is located in the cross-radiation area of Yangtze River Delta Economic Zone and Huaihe River Ecological Economic Zone. Sihong County has a long history, where Xiacaowan people lived by the water 50,000 years ago. It is one of the centers of biological evolution in the Cenozoic world. China's "double-ditch drunken ape" has a history of120,000 years.

Siyang County, called Huaiyang and Taoyuan in ancient times, is a county under the jurisdiction of Suqian City, Jiangsu Province. Located in the north of Jiangsu Province and the east of Suqian City, it belongs to the Yangtze River Delta region, and is a cross-radiation area along the axis of Huaihai Economic Circle, Yangtze River Delta Economic Circle and Canal Town. Siyang county has a history of 5,000 years of civilization and a history of more than 2,200 years of county establishment. Siyang County is located at the intersection of the north and the south, where the southern Wuyue culture, the northern Qilu culture and the local Chu-Han culture meet and merge.