Tickets for the Atlanta regional of the 2012 NCAA men's basketball tournament will go on sale in October and can be purchased online.

The NCAA announced Tuesday that tickets will be available for every preliminary round up to the semifinals and final, which will be played at the Superdome in New Orleans on March 31 and April 2.

Second- and third-round sites include Albuquerque, N.M.; Louisville, Ky.; Pittsburgh and Portland, Ore., which will host games March 15 and 17. Columbus, Ohio; Greensboro, N.C.; Nashville and Omaha, Neb., will host games March 16 and 18.

Regional action takes place in Boston and Phoenix on March 22 and 24 and in Atlanta and St. Louis on March 23 and 25.