Kunming is the capital and largest city of Yunnan province, China. It is the political, economic, communications and cultural centre of the province as well as the seat of the provincial government. The city was of great significance during World War II as a Chinese military center, American air base, and transport terminus for the Burma Road. In the middle of the Yunnan–Guizhou Plateau, Kunming is at an altitude of 1,900 metres above sea level and a latitude just north of the Tropic of Cancer. The city is the fourth most populous city in Western China, after Chongqing, Chengdu, and Xi'an, as well as the third most populous city in Southwestern China after Chongqing and Chengdu. As of 2020 census, Kunming had a total population of 8,460,088 inhabitants, of whom 5,604,310 lived in its built-up area made of all urban districts but Jinning, not conurbated yet. It is at the northern edge of Dian Lake, surrounded by temples and lake-and-limestone hill landscapes.

The Burma Road was a road linking Burma with southwest China. Its terminals were Lashio, Burma, in the south and Kunming, China, the capital of Yunnan province in the north. It was built in 1937–1938 while Burma was a British colony to convey supplies to China during the Second Sino-Japanese War. Preventing the flow of supplies on the road helped motivate the occupation of Burma by the Empire of Japan in 1942 during World War II. Use of the road was restored to the Allies in 1945 after the completion of the Ledo Road. Some parts of the old road are still visible today.