New Zealand - Masterton - Cornwall Street School - Room 1 - 1987 Photo Courtesy of Tash Rowlands Masterton - A large town in the Greater Wellington Region - The largest town in the Wairarapa - A region separated from Wellington by the Rimutaka ranges - 100 kilometres north-east of Wellington - Masterton has an urban population of 20,100, and district population of 26,800 (June 2019). Reference: Wikipedia