Claim: Xin County, a county located in the southeast of Henan province, China, bordering Hubei province to the south, and under the administration of the prefecture-level city of Xinyang, has a total land area of 1,551 km.
Evidence: Xin County or Xinxian (simplified Chinese: 新县; traditional Chinese: 新縣; pinyin: Xīn Xiàn) is a county in the southeast of Henan province, China, bordering Hubei province to the south. It is under the administration of the prefecture-level city of Xinyang. 1,551 km (599 sq mi) 
Henan Xinyang 1,551 km (599 sq mi) Xin County or Xinxian (simplified Chinese: 新县; traditional Chinese: 新縣; pinyin: Xīn Xiàn) is a county in the southeast of Henan province, China, bordering Hubei province to the south.