The Greater Columbus Convention & Visitors Bureau provides a range of accommodation services. It maintains a staff of more than 35 employees. The bureau serves several visitors, meeting planners, convention delegates and residents. The Greater Columbus Convention & Visitors Bureau offers dining options. The bureau provides online hotel reservation solutions. Its convention center is spread across an area of over 1.5 million square feet. The Greater Columbus Convention & Visitors Bureau operates the Ohio Expo Center and Veterans Memorial. The bureau maintains the Experience Columbus Foundation, which is a nonprofit organization that administers research, education and local historic tourism programs.. Tours