In the Rebels' secret base on Yavin 4.

The Rebel Alliance is saved, the **** Star has been destroyed, Grand Moff Tarkin is dead and Darth Vader hasn't been seen for some time.

Luke Skywalker, Han Solo, and the Wookiee Chewbacca have all been deemed Heroes of the Rebellion for their parts, but you feel its better to thank them on a more personal level.