Sweet Adelines International
Sweet Adelines International is a highly respected worldwide organization of women singers committed to advancing the musical art form of barbershop harmony through education and performance.
Sweet Adelines Regions
1 North Atlantic - New England
2 Border Lakes Region - Michigan and Ontario
3 Lake Michgan - Michigan, Indiana, Illinois
4 East Central - Ohio, Indiana, Kentucky, West Virginia
5 Spirit of the Midwest - Illinois, Iowa, Kansas, Missouri, Nebraska
6 Can-Am - Manitoba, Ontario, South Dakota, Minnesota, Montana, Iowa
8 Rocky Mountain - Montana, Wyoming, South Dakota, Nebraska, Kansas, Colorado, Utah
9 Atlantic Gulf - Florida, Georgia
10 Great Gulf Coast - Texas, Louisiana
11 Sequoia Pacifica - Southern California
12 Pacific Shores - Northern California, Nevada, Hawaii
13 North Pacific - Washington, Idaho
14 Blue Ridge - Maryland, Virginia, North Carolina, South Carolina
15 Greater New York - New York, New Jersey
16 Lake Ontario - Ontario, New York
17 Lake Erie - Michigan, Indiana, Ohio, Pennsylvania
19 Atlantic Bay-Mountain - Delaware, Maryland, New Jersey, Pennsylvania, West Virginia
21 Golden West - California, Arizona, Texas, Nebraska, New Mexico
23 Heart of Dixie - Alabama, Georgia, Mississippi, Tennessee, Florida
24 Mount 'n Shore - Montana, Idaho, Washington, Oregon
25 Heart of America - Texas, Oklahoma, Arkansas, Louisiana, Missouri
26 Canadian Maple Leaf - western Canada
31 Quartet of Nations - England, Ireland, Scotland, Wales and the Netherlands
32 Nordic Light - Sweden
34 Southern Cross - Australia
35 New Zealand

If you want to stay informed of the all the happenings of the female barbershop music scene, subscribe to Pitch Pipe, which is put out by Sweet Adelines Internation each quarter. It's full of news, reviews, and previews of coming events and competitions.

International Organizations
Barbershop Harmony Society
The Barbershop Harmony Society brings men together in harmony and fellowship to enrich lives through singing.
Harmony, Incorporated
A vibrant organization of women of all ages, recognized for world-class singing in the barbershop style and promoting bonds of friendship.
SNOBS is an association aiming to spread, develop and preserve Barbershop style in choruses and quartets throughout the Nordic countries.