Canada:
* Ontario (borders all five Great Lakes)
* Quebec (borders Ontario on the St. Lawrence Seaway)
* Manitoba (borders Ontario on Lake Superior)
United States:
* Michigan (borders all five Great Lakes)
* Wisconsin (borders Lake Superior and Lake Michigan)
* Illinois (borders Lake Michigan)
* Indiana (borders Lake Michigan)
* Ohio (borders Lake Erie)
* Pennsylvania (borders Lake Erie)
* New York (borders Lake Ontario and Lake Erie)
Let me know if you'd like more information about any of these provinces or states!