Tongbai County (Chinese: 桐柏县; pinyin: Tóngbǎi Xiàn) is a county in the south of Henan province, China, bordering Hubei province to the south.

The easternmost county-level division of the prefecture-level city of Nanyang, it has an area of 1,941 square kilometres (749 sq mi) and a population of 420,000.

[3] As 2012, this county is divided to 9 towns and 7 townships.

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