border; boundary

East Xinjiang

northern Xinjiang (north of the Tian Shan mountains 天山[Tian1 Shan1])

northern frontier

Southern Xinjiang

southern border (of a country)

DJI, Chinese technology company

border region; regional general acting as governor (in Ming and Qing times)

to pioneer a frontier area; to open up new territory

see 新疆維吾爾自治區|新疆维吾尔自治区[Xin1 jiang1 Wei2 wu2 er3 Zi4 zhi4 qu1]

coastal border region

may you enjoy boundless longevity (idiom); long may you live

Azerbaijan