They were seized over the past week.
Just under €500,000 worth of drugs has been seized in the midlands and Dublin over the course of the last week.
The seizures include 22.5kgs of cannabis with an estimated value of €454,000.
€8,000 worth other illicit drugs were found including, nitrous oxide, over 300g of amphetamines, and over 700g of cannabis edibles.
Revenue officers made the discoveries during the course of numerous operations at multiple premises.
The illegal contraband was found in parcels originating in locations such as the US, Canada and Spain.
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