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.
Boli County belongs to Qitaihe City, Heilongjiang Province, which is located in the east of Heilongjiang Province. when the county was established, Yilan Daoyin was named with the meaning of "prosperous and smooth". It is located in the east of Heilongjiang Province, bordering with Baoqing, Jidong, Linkou, Yilan and Huanan counties. the geographical coordinates are 130 °6km east longitude and 46 °37km north latitude. The total area of the county is nearly 3000 square kilometers. As of 2013, Boli County has jurisdiction over 5 towns and 5 townships with a total population of 316000. In addition to the Han nationality, there are 14 ethnic minorities, such as Hui, Korean and Manchu. In 2013, Boli County achieved a regional GDP of 5.48 billion yuan, down 19.6% from 2012. It is a national commercial grain base county, a key plantation county, and a fruit tree production base county.