Question: What title that is currently only given in conjunction with that of Prince of Wales is also the namesake of one of the neo-classical terraces in Regent's Park, London?
Sentence (from "Earl of Chester"): The Earldom of Chester (Welsh: "Iarll Caer") was one of the most powerful earldoms in medieval England, extending principally over the counties of Cheshire and Flintshire.
Relevant evidence: Yes