Brooklyn is the most populous of New York City's five boroughs, with about 2.6 million people, as well as the second-largest in area. Wikipedia

Columbia is a city of 115,276 people in Missouri, a state of the American Midwest. Founded in 1818 as the county seat of Boone County and home to the University of Missouri, it is the principal municipality of the Columbia Metropolitan Area, the fourth most populous urban area in Missouri. Wikipedia