boomtown
noun[C]
(alsoboom town)uk/ˈbuːmtaʊn/usECONOMICS
atownorcitythatexperiencesasuddenincreaseinsizeandbusinessactivity:
In many of India's boomtowns, acaris animportantpartof themiddle-classdream, asymbolofstatusandcomfort.
anoil/aminingboomtown