This is not very welcoming of Upper Hutt, which I assume is not included in the lower city's name.
Google Translate tells me that TE AWA KAIRANGI means 'HUTT'. Maybe Te Awa Kairangi would have been a better name?
Maybe Upper Hutt needs a new name too?
Kura Te Awa Kairangi might work.
Or Hutt Too.