Whangārei District Council ↔ Haikou
Sister city · China
中国
Sister city · China
MOU · China · since 2015
Sister city · China · since 2020
Sister city · China · since 1987
Sister city · China · since 2011
Sister city · China · since 2006
Sister city · China
Sister city · China · since 2005
Sister city · China · since 1999
Sister city · China · since 1986