Porirua City CouncilWellington, New Zealand 5 November 2026 This council’s recorded friendship relationships are listed below. PartnerCountryRelationshipSinceBamiyanAfghanistanFriendly city2008BlacktownAustraliaSister city1984-05NishioJapanSister city1993WhitbyUnited KingdomSister city—YangzhouChinaFriendly city2002 ← All councils