The cannabis was seized when anti-narcotic gendarme teams searched a car in the Kale district, the provincial governorate said in a statement.
Three suspects were arrested on charges related to marijuana trafficking, the statement said.
The suspected drug dealers will be brought before the court after the police investigation is completed.
Turkey maintains strict laws against the use, possession, or trafficking of illegal drugs. If convicted under these offenses, one could receive a heavy fine or a prison sentence of 4 to 24 years.