Autumncolours
Northerner English tends to stress the first syllable whereas Southern English stresses the second syllable as explained in OED entry above. They are both right. It is simply due to different regional accents. Nothing to get worked up about!
Being Scottish, I would have said it was more a generational issue than a geographic one, but it might be a matter of, dare I say it? whether you were sent to a private school or a council school.
My generation learned from parents and grandparents and most assuredly from our teachers that the stress in distribute is on the second syllable, whereas distribution has it on the third! The same applies to contribute and contribution.