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It is always advised to look up information about the suburb you're buying into. You can check online tools like Google maps to have an idea on the terrain of the location.
If you're a foreigner thinking of a good place to live in NZ, you might want to consider reading "New Zealand Property Report".
Gisborne is on the east coast of NZ. It is called Sunny Gisborne because it receives more sunlight than anywhere else in NZ's north island