Massachusetts is a state in the New England.
Scooby Doo... Mystery Comics
The Scooby-Doo Show
The gang are off to visit a friend, Arlene Wilcox, on Halloween night, in the town of Salem which is being haunted by a witch. The town suspects Arlene and sets out to get a confession from her. (To Switch a Witch)
The New Scooby and Scrappy Doo Show
The ghost of Shaggy's relative may disrupt the wedding of Shaggy's sister.
The 13 Ghosts of Scooby-Doo
Scooby-Doo and the Witch's Ghost
They investigated the case of a ghost witch in Oakhaven, Massachusetts.