Masterton (Māori: Whakaoriori), a large town in the Greater Wellington Region of New Zealand, operates as the seat of the Masterton District (a territorial authority or local-government district). It is the largest town in the Wairarapa, a region separated from Wellington by the Rimutaka ranges. It stands on the Waipoua stream between the Ruamahunga and Waingawa Rivers - 100 kilometres north-east of Wellington and 39.4 kilometres south of Eketahuna.
|Territorial authority||Masterton District|
|NZ Parliament||Ikaroa-Rāwhiti (Māori)|
|• Mayor||Lyn Patterson|
|• Deputy Mayor||Graham McClymont|
|• MPs||Kieran McAnulty (Labour)|
Meka Whaitiri (Labour)
|• Territorial||2,299 km2 (888 sq mi)|
|• Urban||100.66 km2 (38.87 sq mi)|
|Elevation||69 m (420 ft)|
|• Density||12/km2 (31/sq mi)|
|• Urban density||210/km2 (550/sq mi)|
|Time zone||UTC+12 (NZST)|
|• Summer (DST)||UTC+13 (NZDT)|
Masterton businesses include services for surrounding farmers. Three new industrial parks are being developed[when?] in Waingawa, Solway and Upper Plain. The town functions as the headquarters of the annual Golden Shears sheep-shearing competition.