Greendale is a neighboring town to Riverdale, located on the opposite side of the Sweetwater River. It is where Jason and Cheryl crossed over to from Riverdale, when Jason faked his death in order for him to leave Riverdale.
- Sabrina Spellman
- Geraldine Grundy (deceased)
- In the comics, Greendale is the next town over from Riverdale, and is the hometown of Sabrina the Teenage Witch.