Maryland is a state located in the Mid-Atlantic region of the United States, bordering Virginia, West Virginia, and Washington, D.C. to its south and west; Pennsylvania to its north; and Delaware to its east. 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