Crater's was a cantina that was located on Thriller's Row in the city Hedrett, on the planet Cularin. During the time of the Clone Wars, the Cerean bounty hunter Sai-Ani Kannu traveled to the cantina to rendezvous with a Human contact, who hired Kannu to protect the Heroes of Cularin.
Sources
Professionals at Work on Wizards.com (original site is defunct)