former county of EC England, now part of Cambridgeshire
See Ely in American Heritage Dictionary 4
(ēˈlē), Isle of
A region of east-central England with extensive drained fens. The name Isle comes from the high ground amid the fens; Ely probably refers to the eels formerly found in the fens. The city of Ely (population, 10,268) is noted for its cathedral, dating from the 11th century and one of the largest in England.