Macajalar Bay
Cagayan de Oro City , being the regional center of Northern Mindanao ( Region X ) , is located in one of its deep-water harbors . 
<triplet> Cagayan de Oro City <subj> Northern Mindanao <obj> located in the administrative territorial entity <triplet> Northern Mindanao <subj> Cagayan de Oro City <obj> contains administrative territorial entity