Four people were arrested on Thursday and a large amount of property was seized in a "day of action" in Co Meath.
The suspects were nabbed as part of of an investigation into fake money, drug dealing and theft.
Gardai made the arrests after searches at 10 locations in the Trim area.
Weapons, a stolen caravan and a small amount of drugs were among the items seized.
One of the suspects was brought before the courts, while the remaining three were released after questioning.
A garda spokesman added: "The purpose of the operation was to target those involved in the distribution of counterfeit currency, the sale and supply of drugs and the theft of goods nationwide.
"Warrants were obtained and searches were carried out at ten locations in the town.
"The operation involved Gardaí from Districts in the Meath Division, including the Divisional Drug Unit along with the National Stolen Car Unit and the Garda Dog Unit. A number of external agencies also assisted including personnel from Customs and Excise.
"As a result of these searches, an assortment of items were seized including suspected stolen power tools, a stolen caravan, catalytic convertors, a bicycle believed to be stolen, a small quantity of Cocaine, numerous weapons and 3 canisters of pepper spray."
A number of vehicles were found to have used illegal fuel and were subsequently seized by Revenue officials. An Audi car was also seized.
