main cities of yunnan: dali , dehong , jinghong , kunming , lijiang , ninglang , shangri-la , tengchong , yuanyang
yunnan is located on the southwest boundary of the people's republic of china,
the south part of yunnan province is on the belt of the tropic of cancer. the widest distance from the east to the west is 864.9 kilometers and the longest distance from north to south is 900 kilometers with a total area of 394,000 square kilometers, it accounts for 4.1% of the total area of china . in the entire province, about 84% area is mountainous region , 10% area is plateau and hilly land and 6% area is basin and valley. the average altitude of the province is around 2,000 meters above the sea level. the highest point is 6,740 meters and the lowest is 76.4 meters above the sea level.
yunnan borders on guizhou province and guangxi zhuang autonomous region in the east, sichuan province in the north,
tibetan autonomous region in the northwest, burma in the west and laos and vietnam in the south. geographically, yunnan is connected to the rest of the asian continent in the north and faces the southeast asian peninsula between the pacific ocean and the indian ocean in the south. because of its geographical location, yunnan is affected by the southeast monsoon and southwest monsoon as well as weather conditions from the tibetan plateau. as a result, yunnan has a diverse favorable natural environment.
of the 4,060 kilometers long border between yunnan and the neighbouring countries, the sino-burmese section covers 1,997 kilometers, sino-laotian section 1,353 kilometers. yunnan has long been a gateway from china to countries in southeast asia. there are over 20 roads leading to these countries. there are 15 ethnic groups in china where people of the same ethnic origin live in adjacent countries on both sides of the border.