Counties Manukau police have arrested eight people associated with the Tribesmen and Killer Beez gangs over drug offences.
They say they searched eight properties and found cannabis, methamphetamine and cash.
Two women and six men, aged between 24 and 62, have been charged.
The police also found a large amount of stolen property, including chainsaws, mountain bikes, clothes and electronics.
They say more charges are likely in relation to the stolen property.
