Gross Domestic Product of the Otago Region, New Zealand

Gross domestic product (GDP): Total market value of goods and services produced in a given area, minus the cost of goods and services used in the production process.
Gross domestic product (GDP) per capita: The economic output of a geographic area divided by the population in that geographic area.

For the 2007–15 estimates, the regional GDP method Stats NZ used for most industries was a ‘bottom-up’ (based on unit data) approach.
Tasman and Nelson regions have been combined to maintain data quality standards.
Chatham Islands has been combined with Canterbury to maintain data quality standards.
Figures may not sum to totals due to rounding.
Some ANZSIC 2006 industries have been combined to maintain data quality standards.

http://datainfoplus.stats.govt.nz/Item/example.org/3fd75697-5f34-4b49-aace-f961203ec6d2
https://www.stats.govt.nz/information-releases/regional-gross-domestic-product-year-ended-march-2017

At URL provided, select 'Economic indicators > Regional Gross Domestic Product - RNA > Gross domestic product, by region and industry (Annual-Mar)

Regional gross domestic product (GDP) is a geographic breakdown of national GDP. Regional GDP indicates the size and structure of regional economies and provides a benchmark for measuring changes to regional economies over time.