Greater Portland is a region in Maine around Casco Bay. It is the southern portion of Cumberland County. Regions Casco Bay the island region of Greater Portland {{mapshape|type=geoshape|fill=|title=Casco Bay|wikidata=Q5048261}} Cities Portland Brunswick Cape Elizabeth Freeport Gorham Scarborough South Portland Westbrook Yarmouth Other destinations Understand Get in Get around See Do Eat Drink Stay safe Go next