Pyhäjoki
It is located in the defunct province of Oulu , which was split in two regions; Pyhäjoki is part of the Northern Ostrobothnia region . 
<triplet> Oulu <subj> province <obj> instance of <triplet> Pyhäjoki <subj> Northern Ostrobothnia <obj> located in the administrative territorial entity <triplet> Northern Ostrobothnia <subj> region <obj> instance of <triplet> region <subj> province <obj> different from