Large amounts of methamphetamine and nearly $400,000 have been seized in a major organised crime raid in Auckland City.

Eleven people have been arrested as part of Operation Disruption.

The operation has netted tens of thousands of dollars of methamphetamine for supply, and a significant amount of other illegal drugs.

One person was found with close to $400,000 in cash.

Police are also investigating a large seizure of electronic goods found in the operation, which are believed to be stolen.

They also seized ammunition for a variety of firearms.