Police say the searches took place in the Lower Shankill area.
Officers said “a number of searches” were carried out on Friday morning as part of “our ongoing commitment to tackle the supply of illegal drugs”.
A man in his 30s was arrested under the 1971 Misuse of Drugs Act on suspicion of possession of class A drugs.
The suspect is currently at Musgrave Station being questioning about drug dealing.
A PSNI spokesperson added: “A number of items have been removed for further examination.”
They will now undergo forensic testing.