It would be a tie between Pennsylvania (#1 Pitt, #7 Temple, #9 Villanova, #10 Penn. State, and #14 Bucknell) and Virginia (#8 George Mason, #9 Old Dominion, #11 VCU, #12 Richmond, and#16 Hampton). However, seeds would suggest that Pennsylvania has more higher quality teams.
Pennsylvania: 5
Virginia: 5
Indiana: 4 Ohio: 4
Tennessee: 4
California: 4(including USC)
Kentucky: 3
Michigan: 3
New York: 3
Texas: 3
Florida: 2
Kansas: 2
New Jersey: 2
Utah: 2
Washington: 2
Wisconsin: 2
Alabama: 2(UAB and Alabama State are the only teams from Alabama, both lost "play-in" games)
Arizona: 1
Colorado: 1
Connecticut: 1
Georgia: 1
Illinois: 1
Massachusetts: 1
Missouri: 1
Nevada: 1
Washington DC/Maryland: 1(Georgetown could be considered either of these, they were the only team from this area however.)
West Virginia: 1
Arkansas: 1(Arkansas-Little Rock lost its "play-in" game, the only team from Arkansas)
Kentucky
pitt
New York
North Carolina.
lakers
Kentucky
North Carolina has had the most Final Four teams, with UNC going to 18 Final Fours, Duke 15, and NC State 2, for a total of 35 teams.
Alot
wichita state
There are 68 teams in the tournament. It used to be 64 (actually, there were times that it was less), however a new automatic bid from the Mountain West conference forced the NCAA to make it 65. It was expanded in the 2011 tornament to 68 teams to allow some "bubble teams" to qualify, who would not of in the 65 team system.
Ball State
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