Four people have been charged with drug offences in the Gympie area, north of Brisbane.

Police allegedly found cannabis, amphetamines, cash and three firearms during raids of properties in Gympie, North Deep Creek, Veteran and Southside on Wednesday afternoon.

A 54-year-old man and a 48-year-old woman, both of North Deep Creek, have been charged with trafficking and supplying dangerous drugs and with possessing dangerous drugs and firearm.

A 30-year-old Veteran man has been charged with producing a dangerous drug and possessing a dangerous drug, and utensils.

Another Veteran man, aged 28, has been charged with similar drug offences.

Five other people from the area have been issued with a notice to appear for various drug offences.