Region MapRegions are composed of groups, intergroups, and service boards within specified geographic boundaries and the virtual community. OA is divided into eleven regions.

  • OA Region One
    Pacific North West: Alaska, Idaho, Montana, Oregon, Washington, Wyoming, Alberta, British Columbia, Northwest Territories, Saskatchewan, Yukon
  • OA Region Two
    Pacific Southwest: California, Hawaii, Reno/Tahoe area of Nevada, Mexico
  • OA Region Three
    Southwest: Arizona, Colorado, Nevada, New Mexico, Oklahoma, Texas, Utah
  • OA Region Four
    West Central: Illinois (except the Greater Chicago area and Central Illinois Intergroup), Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, Manitoba, Northwestern Ontario, the territory of Nunavut.
  • OA Region Five
    Central: Greater Chicago area and Central Illinois Intergroup, Indiana, Kentucky, Michigan, Ohio, Wisconsin, Southwestern Ontario
  • OA Region Six
    Northeast: Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, Quebec, Bermuda
  • OA Region Seven
    Eastern: Delaware, District of Columbia, Maryland, New Jersey, Pennsylvania, Virginia, West Virginia
  • OA Region Eight
    Southeast: Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, Puerto Rico, South Carolina, Tennessee, the Virgin Islands, Central America, South America
  • OA Region Nine
    Countries and territories in Africa, Europe, the Middle East, Western Asia
  • OA Region Ten
    Countries and territories in Australia, New Zealand, South East Asia, the Western Pacific Basin
  • OA Virtual Region
    Virtual meetings and virtual intergroups.