Three males have been arrested in connection with the seizure.
Over €100,000 worth of cannabis has been seized by Gardaí in Offaly.
Gardaí from the Laois/Offaly Divisional Drugs Unit and Portlaoise/Tullamore Detective Units assisted by members from Birr Garda Station carried out a search at a house in the Birr Town area on Monday.
Over €100,000 worth of cannabis (pending analysis) was seized as part of the search.
Three males, aged in their 20s, 30s and 40s, have been arrested under Section 15 of the Misuse of Drugs Act 1977/94 and are currently detained at Birr and Tullamore Garda Stations.
Gardaí have said that investigations are continuing.
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