[@duck55223]
[img]https://i.imgur.com/tcbzwKS.png[/img]

Along with Japan, Crimea, and Central America, I believe.  (Though I might have missed/be forgetting 1 or 2.)

EDIT: For clarity, on that map, Romania, the Netherlands, Belgium, and Luxembourg are marked as grey just to clarify borders, but are NPC's. Then Poland and Lithuania are available, but are German puppets.