They range in age from 17 to 45 years.
A cannabis grow house was discovered in the North inner city, with over 800 plants in various stages of growth valued at 640,000 euro were found.
Four people were arrested at the scene.
Searches were also carried out at locations in County Wexford where five further arrests were made as part of the investigation.
A total of nine people are currently detained at Garda Stations in Dublin & Wexford by investigating Gardaí.
Those arrested include six Portuguese nationals all men, one UK national a man, and a man and woman from Ireland.
Gardai Appeal For Information Following Fatal Crash Near Wicklow Border
68 People Accessed Emergency Accommodation Across Wicklow In December
High Court Grants Injunction To Prevent XL Bully Dogs From Being Put Down
Court Decision On Future Access To North Beach In Arklow Facing Further Delay
Seanad Election Count Underway With Tiglin Founder In Race For Seat
