'Aber' - meaning 'between' - is usually at the beginning of a town's name, not at he end.
ADDED: It's more Scots and Welsh than English.
There are no such towns.
EghamOldham
Derby, Tenby, Whitby
Burger king.
Fowey in Cornwall.
morecombe
Grimsby, Corby, Whitby and others.
Grosmont, North Yorkshire
Dartford, Bideford, Chelmsford.
Literal translation: "Mouth of the River Ystwyth" Aber indicates the mouth of a river, several other Welsh coastal towns are aber-something.
Aber Bargoed railway station ended in 1962.
Never heard of that one. Plenty end in '-be', because that is '-combe'.