Capitol Square is a public square in Downtown Columbus, Ohio. The square includes the Ohio Statehouse, its 10-acre (4.0 ha) Capitol Grounds, as well as the buildings and features surrounding the square. The Capitol Grounds are surrounded to the north and west by Broad and High Streets. These are the main thoroughfares of the city since its founding. They form the city's 100 percent corner. The grounds are surrounded by 3rd Street to the east and State Street to the south. The oldest building on Capitol Square, the Ohio Statehouse, is the center of the state government and roughly in the geographic center of Capitol Square, Columbus and Ohio.

Downtown Columbus is the central business district of Columbus, Ohio. Downtown is centered on the intersection of Broad and High Streets, and encompasses all of the area inside the Inner Belt. Downtown is home to most of the tallest buildings in Columbus.