Addan

(strong or stony), one of the places from which some of the captivity returned with Zerubbabel to Judea who could not show their pedigree as Israelites. (Ezra 2:59) Called Addon (Nehemiah 7:61)

ad'-an ('addan; in Ne 'addon; connected in some way with the name of the god Addu): A name mentioned in the list of the returning exiles (Ezr 2:59, duplicated in Ne 7:61). It is one of several names of Babylonian localities from which came men who were unable to declare their genealogy as Israelites.