The seizures took place in Clare and Tipperary on Thursday
Revenue officers have seized drugs and cigarettes with a combined street value of €23,500 in Clare and Tipperary.
At Shannon Airport, 1.1kg of herbal cannabis was discovered Thursday in the checked-in baggage of a 31-year-old Lithuanian man.
He had arrived on a flight from Tenerife.
He was arrested by gardaí and detained at Ennis garda station. The drugs are estimated to be worth around €22,000.
Meanwhile in Tipperary, officers carried out a search under warrant of a house in Cahir and seized over 2,500 cigarettes.
These were branded as 'Richman', 'John Bull' and 'M1'.
The cigarettes have a retail value of almost €1,500 - representing a potential loss to the exchequer of around €1,300.
Revenue say investigations are ongoing with a view to prosecution.