Minneapolis, officially the City of Minneapolis, is the county seat of Hennepin County, and largest of the Twin Cities, the 14th-largest metropolitan area in the United States, containing approximately 3.8 million residents. As of 2013, Minneapolis is the largest city in the state of Minnesota and 46th-largest in the United States with 400,070 residents.Minneapolis lies on both banks of the Mississippi River, just north of the river's confluence with the Minnesota River, and adjoins Saint Paul, the state's capital. The city is abundantly rich in water, with twenty lakes and wetlands, the Mississippi River, creeks and waterfalls, many connected by parkways in the Chain of Lakes and the Grand Rounds National Scenic Byway. It was once the world's flour milling capital and a hub for timber, and today is the primary business center between Chicago and Seattle, with Minneapolis proper containing America's fifth-highest concentration of Fortune 500 companies. As an integral link to the global economy, Minneapolis is categorized as a global city.