Rock Island, Illinois, is a city located on the Mississippi River in the Quad Cities region. It is part of a metropolitan area that includes Moline, East Moline, and Davenport. The city has a rich history, with roots dating back to the early 19th century, and it was an important hub for transportation and industry. The city is known for its parks, including Rock Island Arsenal Park, which features historical sites and recreational areas. Rock Island also hosts various cultural events and festivals throughout the year, contributing to its vibrant community atmosphere.