The State of Illinois is located in the Midwestern region of the United States. It is bordered by Wisconsin to the north, Indiana to the east, Kentucky to the southeast, Missouri to the west, and Iowa to the northwest. The capital city is Springfield, while Chicago is the largest city and a major cultural and economic hub. Illinois is known for its diverse geography, which includes forests, prairies, and rivers. The Illinois River is a significant waterway, and the state is home to several national parks and historical sites. The economy is diverse, with key industries including manufacturing, agriculture, and services.