There are 120 seats in total in Parliament, There are also two sides of Parliament and the two sides are Sovereign and the House Of Representatives. Democracy is the system where people 18 and over are allowed to vote for prime ministers and MPs. Mixed-member proportional (MMP), Seen in New Zealand from 1996 onward, is a proportional system where each voter has two votes. One of these is for the candidate in their electorate and one is for the overall political party.
Below is the link to the seating plan of the Debating Chamber.
https://www.parliament.nz/media/6757/house-seating-plan-as-at-21-july-2020.pdf