RULES$47M salary cap.
Pick a region of the United States from the ones pictured:

All your players must be
born in a state from that region. No clones, no rookies. Maximum of six teams per region, with regional teams divided evenly between the conferences.
You can find this information on
Basketball Reference. I will be using this resource to check teams.
For simplicity, here are the listed states in each region:
NORTHEASTConnecticut
Delaware
District of Columbia
Maine
Maryland
Massachusetts
New Hampshire
New Jersey
New York
Pennsylvania
Rhode Island
Vermont
MIDWESTIllinois
Indiana
Iowa
Kansas
Michigan
Minnesota
Missouri
Nebraska
North Dakota
Ohio
South Dakota
Wisconsin
SOUTHAlabama
Arkansas
Florida
Georgia
Kentucky
Louisiana
Mississippi
North Carolina
Oklahoma
South Carolina
Tennessee
Texas
Virginia
West Virginia
WESTAlaska
Arizona
California
Colorado
Hawaii
Idaho
Montana
Nevada
New Mexico
Oregon
Utah
Washington
Wyoming
Remember: Players have to be
born in those states, not attended high school (necessarily). That means no Detlef Schrempf in Washington, etc.