Society, Organizations, High Intelligence, Mensa - American Mensa - Region 9. Far West Region: includes Arizona, Hawaii, Utah, and the southern half of California and Nevada.
Society, Organizations, High Intelligence, Mensa - American Mensa - Region 2. Middle Atlantic Region: covering Delaware, District of Columbia, Maryland, New Jersey, Pennsylvania, and Virginia.
Society, Organizations, High Intelligence, Mensa - American Mensa - Region 3. Great Lakes and Ohio Valley Region: includes Ohio, Michigan, Kentucky, West Virginia, Western Upstate New York, and Western Pennsylvania.
Society, Organizations, High Intelligence, Mensa - American Mensa - Region 6. Southwest Region: includes Arkansas, Louisiana, New Mexico, Oklahoma, and Texas.