The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With 8,472 square miles (21,940 km2) and a population of more than 2.2 million people, it is the second-largest metropolitan area centered in Missouri (after Greater St. Louis) and is the largest metropolitan area in Kansas, though Wichita is the largest metropolitan area centered in Kansas. Alongside Kansas City, Missouri, these are the suburbs with populations above 100,000: Overland Park, Kansas; Kansas City, Kansas; Olathe, Kansas; Independence, Missouri; and Lee's Summit, Missouri.
Yanbian Korean Autonomous Prefecture, the only autonomous prefecture in Jilin Province, is the capital of Yanji City. Located in the border between China and North Korea in the east of Jilin Province in northeast China, the whole terrain is high in the west and low in the east, tilting from the southwest, northwest and northeast to the southeast, located in the mid-temperate zone of the Northern Hemisphere, belonging to the mid-temperate humid monsoon climate. The state has a total area of 43300 square kilometers and has jurisdiction over 6 cities and 2 counties with a population of 2.1014 million in 2017. Yanbian Korean Autonomous Prefecture has 11 ports to North Korea and Russia, and the port cargo volume accounts for more than 90% of Jilin Province; there is an international airport with direct flights to first-tier cities in the north, Guangzhou and Shenzhen, and countries around the Sea of Japan. The Tumen River is the only waterway for China's inland to enter the Sea of Japan. Yanbian is China's only Korean autonomous prefecture and the largest Korean-inhabited area, accounting for 42. 5% of China's Korean population.