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 Central Region
 Metro East Region
 New England Region
 Northwest Region
 South Region
 Southwest Region
 Great Lakes Region
 Atlantic Coast Region
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New England Region
East New England: Maine, New Hampshire, Eastern Massachusetts (east of Quabbin Reservoir, north of Worcester, excluding Metro Boston)
Metro Boston: Metro Boston, MA
West New England: Western Massachusetts (Quabbin Reservoir and west), Vermont, Montreal and all Quebec east of Montreal
South New England: Connecticut, Rhode Island, Southern Massachusetts (Worcester and south, excluding WNE and Metro Boston sections)
Metro East Region
Upstate NY: NY north of Poughkeepsie, Quebec west of Montreal, and Ontario east of Toronto (Note: new boundary starting in 2005)
Metro New York: Metro New York/New Jersey
Penn (Women's Division): Pennsylvania
West Penn (Open Division): Western PA (west of Susquehannock River and Hwy 15)
East Penn (Open Division): Eastern PA (east of Susquehannock River and Hwy 15)
Colonial: Maryland, DC, Delaware, Fairfax County (Virginia)
Atlantic Coast Region
Blue Ridge: Virginia (excluding Fairfax county) & East Tennessee (east of Nashville)
Carolina: North Carolina
South (Women's Division): South Carolina, Georgia, Florida
Florida (Open Division): Florida
Georgia/SC (Open Division): South Carolina, Georgia
South Region
Texas: Texas
Ozarks: Missouri/Kansas/Oklahoma/Arkansas
Bama: Western Tennessee (Nashville and west)/Alabama/Mississippi/Louisiana
Great Lakes Region
Michigan: Michigan/eastern Ontario up to and including Toronto (Note: new boundary starting in 2005)
Central Plains: Indiana/Illinois
East Plains: Ohio/Kentucky/West Virginia
Central Region
Lake Superior: Wisconsin/Michigan (upper peninsula)
Northwoods: Minnesota/North Dakota/Saskatchewan/Manitoba/west Ontario
West Plains: Iowa/Nebraska/South Dakota
Southwest Region
Desert: New Mexico/Arizona/southern Utah (to 38th parallel)
Colorado: Colorado/Wyoming
So Cal: Southern California/southern Nevada (to 38th parallel)/Hawaii
Northwest Region
Alaska: Alaska
Wash/BC: Washington/British Columbia
Big Sky: Idaho/Montana/northern Utah (north of 38th parallel)/Alberta
Oregon: Oregon/northern California/northern Nevada (north of 38th parallel)
Bay Area: Bay Area, California
