Original sentence: It is located within the province of Ulster.|area        = 2,074 km².|census yr   = est.|county town = Coleraine.|crest image = Lderry arms.|map image   = CountyLondonderry.|motto       = Auxilium A Domino(Latin)"Help comes from the Lord" |.|name        = County Londonderry.|population  = 213,000.|population note =.|province    = Ulster.}}County Londonderry  is one of the six counties of Northern Ireland
Edited sentence: County Londonderry or County Derry ( ) is one of the traditional counties of Ireland.It is located within the province of Ulster and is part of Northern Ireland