The ABA has announced it will play in ten divisions in the upcoming season:
http://www.abalive.com/news/releases/?newsid=2005061306001
Division 1: Northeast
Division 2: Northeast
Division 3: East
Division 4: Southeast
Division 5: Midwest
Division 6: Midwest
Division 7: South
Division 8: Southwest
Division 9: West
Division 10: Northwest
Right now it looks like this would be the likely alignment
1 (6) - Montreal, Rochester, Queens, Harlem, Boston, Long Island
2 (5) - Northeast PA, Buffalo, Maryland, Baltimore, Newark
3 (6) - Charlotte, Charleston, Norfolk, Richmond, Georgia, North Carolina
4 (7) - Chattanooga, Atlanta, Orlando, Florida (Miami), Nashville, Birmingham, Mississippi
5 (6) - Cincinnati, Columbus, Toledo, Detroit, Ohio, Pittsburgh
6 (6) - Minneapolis/St. Paul, St. Louis, Kansas City, Omaha, Indianapolis, Kentucky
7 (6) - Louisiana, New Orleans, Lake Charles, Austin, San Antonio, Texas
8 (7) - Nex Mexico, Gallup, Las Vegas, Inglewood, Long Beach, Orange County, Ontario
9 (6) - Santa Barbara, Los Angeles, Hawaii, Tijuana, Central Valley, Fresno
10 (6) - Bellingham, Tacoma, Bellevue, San Jose, San Francisco, Valley
Division 4's alignment has been mentioned in a Chattanooga press release, although it did not include Birmingham and Mississippi.