The illegal drugs originated in Spain.
€80,000 worth of drugs have been discovered in Westmeath.
4 kilograms of herbal cannabis were uncovered by Revenue officers during routine operations in Athlone on Monday.
The illegal drugs originated in Spain and were destined for addresses in Dublin.
Separately, illegal drugs worth €370,000 have also been seized by Revenue officers at two premises in Dublin today.
They included almost 18kgs of herbal cannabis and small quantities of butane honey oil, cannabis resin, MDMA, ecstasy tablets, cocaine and synthetic cannabinoids.
The drugs were destined for addresses across the country, including in Laois.
Investigations into both seizures are ongoing.
These seizures are part of Revenue's ongoing operations targeting the importation of illegal drugs.
If businesses or members of the public have any information regarding smuggling, they can contact Revenue in confidence on Confidential Phone Number 1800 295 295.
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