Complex sentence: The main centre of the Taranaki region is the city of New Plymouth which has been voted the "Top City" in New Zealand and has over 60% of the entire population of Taranaki.
Split into simpler sentences: The main centre of the Taranaki region is the city of New Plymouth which has been voted the "Top City" in New Zealand. The New Plymouth District has over 60% of the entire population of Taranaki.