WDWMagic.com is reporting that part of Sid Cahuenga's One of a Kind shop (Hollywood Boulevard) will be the Hollywood Studios headquarters for My Magic +. In the Magic Kingdom this location will be in the Town Square Theater.
Guest Services cast members will be available to assist guests with Fastpass+ reservations and other items related to My Magic+.
It is expected that this change will take place in August, and the shop will continue to sell merchandise after the change.