Question: Dunwich is part of which imaginary region whose name was coined by Keith Herber? 
Sentence (from "Lovecraft Country"): Lovecraft Country is a term coined by Keith Herber for the New England setting, combining real and fictitious locations, used by H. P. Lovecraft in many of his weird fiction stories, and later elaborated by other writers working in the Cthulhu Mythos.
Relevant evidence: Yes