Original: The result was often a merger of the two into a '' district '' ( e.g. Rotorua ) or a change of name to '' district ' ( e.g. Waimairi ) or '' city '' ( e.g. Manukau City ) .
Simplified: Or sometimes they changed the name to '' district '' ( e.g. Waimairi ) or '' city '' ( e.g. Manukau ) .