Detective Inspector Barry Hamilton said: "Suspected herbal cannabis and drug-related paraphernalia was seized.
"Two men aged 44, and a third man aged 42 were arrested on suspicion of a number of drug-related offences, including possession of a Class B controlled drug and possession of a Class B controlled drug with intent to supply.
"All three men remain in custody assisting us with enquiries."
He continued: “These arrests and seizures are further evidence of our ongoing commitment to removing and disrupting the illegal supply of drugs in Northern Ireland. We know that drugs can ruin lives and line the pockets of organised criminals, and we are determined to disrupt these criminal gangs.
Apprentice Boys of Derry: new era of respect makes for enjoyable ‘Relief’ parade
Thousands expected to take part in 'Derry Day' this weekend
Feile organisers asked if they have warned Wolfe Tones about leading young people in pro-IRA chants
Brexit: There’s a fundamental con trick being played over Liz Truss’ Northern Ireland Protocol Bill says Lord Empey
DUP MP calls for probe into Sinn Fein MP’s Twitter post
"We are committed to making Northern Ireland a hostile environment for those in our community who are involved in the drugs trade and anyone involved in the drugs trade, or anyone tempted to become involved should be under no illusion - we will seek to identify them, arrest them and place them before the courts.
"I would appeal to anyone who has any information to call police on the non-emergency number 101, quoting reference number 969 of 23/05/19."