Local Gardaí were assisted by the Offaly Drugs unit and a Garda Dog.
Two men are due before the courts following separate drug seizures in the midlands.
Gardaí in Birr seized cannabis on January 27th between 7.30 and 9pm - a man was arrested and charged with sale and supply following that incident.
Another man was arrested following a cocaine seizure in the town last Thursday.
Gardaí say they were assisted by the Offaly Drugs Unit and Garda Dog Rex in both incidents.