All the regions had four to five colonies in them. New England had four colonies, Middle region had four colonies and southern regions had five colonies.
Step-by-step explanation:
The colonies in New England were New Hampshire, Massachusetts Bay colony, Rhode island and the colony of that region was Connecticut. The colonies of the region of Middle area were Pennsylvania, New York, New Jersey and the last colony was Delaware.
The colonies of the area of southern region were five in number which were Maryland, Virginia, Georgia and the northern part and the southern part of Carolina were both colonies of the southern region.