Caledonia Charter Township is a charter township of Kent County in the U.S. state of Michigan. The population was 15,811 at the 2020 census, an increase from 12,332 at the 2010 census.

The Grand Rapids metropolitan area is a triangular shaped Metro Triplex, in West Michigan, which fans out westward from the primary hub city of Grand Rapids, Michigan, to the other two metro hubs of Muskegon and Holland. The metropolitan area had an estimated population of 1,059,113 in 2017. The region, noted in particular for its western edge abutting the Lake Michigan shoreline and its beaches, is a popular tourist and vacation destination during the summer. Noted popular metro area beach towns include Grand Haven, Holland, Muskegon, and Saugatuck.