Tsona

"Cuona" redirects here. For the lake in Amdo County, Nagqu, see Cona Lake.

Tsona 错那市 • མཚོ་སྣ་གྲོང་ཁྱེར། Cona, Cuona
County-level city
Cona City
Bum La Pass
The location of Tsona in Shannan City (green and light green below; disputed area contained)
Tsona Location of Tsona in the Tibet A.R. Tsona Tsona (China)
Coordinates: 27°59′19″N 91°57′31″E
Country	China
Autonomous region	Tibet
Prefecture-level city	Shannan (Lhoka)
Municipal seat	Magmang
Area (de facto controlled)
• Total	6,703.62 km2 (2,588.28 sq mi)
Population  (2020)
• Total	13,932
• Density	2.0783/km2 (5.3827/sq mi)
Time zone	UTC+8 (China Standard)
Postal code	856700
Website	www.cuona.gov.cn

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Tsona
Chinese name
Simplified Chinese	错那市
Traditional Chinese	錯那市
Transcriptions Standard Mandarin Hanyu Pinyin Cuònà Shì
Tibetan name
Tibetan	མཚོ་སྣ་གྲོང་ཁྱེར།
Transcriptions Wylie mtsho sna grong khyer Tibetan Pinyin Cona Chongkyêr

Tsona City (Tibetan: མཚོ་སྣ་གྲོང་ཁྱེར།, Chinese: 错那市), formerly Tsona County, is a county-level city in Shannan Prefecture in the southeastern part of the Tibet region of China. Tsona means "The face of the [Nara Yumco] lake" in Tibetan. It lies immediately to the north of the McMahon Line agreed as the mutual border between British India and Tibet in 1914. China has not accepted the 1914 border delineation, but treats it as the Line of Actual Control (LAC); for this reason, China considers Tsona city to also contain part of the disputed territory of South Tibet/Arunachal Pradesh; under China's claimed border, Tsona city would include Itanagar, the state capital of Arunachal Pradesh. Tsona also borders Bhutan in the southwest.