Guiana and the French Caribbean territories work. I don't remember if this was ever dealt with in AANW but maybe they became a Taiwan analogue in that scenario? Even if they didn't, it's easy to see them holding independent elections when they realize with great sadness that the patriae won't be liberated any time soon.
Kerguelen Islands are not much the kind of ground to support settlement, and in Guiana, the urban settlement are primarily focused on the coast with an hinterland hard to penetrate. I don't mind St Pierre and Miquelon since I guess they are too small, but I can be wrong.For France: St Pierre et Miquelon, La Réunion, Martinique & Guadeloupe, French Guyana, Kerguelen...
Kerguelen Islands are not much the kind of ground to support settlement, and in Guiana, the urban settlement are primarily focused on the coast with an hinterland hard to penetrate. I don't mind St Pierre and Miquelon since I guess they are too small, but I can be wrong.
That leaves us for today France the oversea departments plus New Caledonia (which has a significant European population) and possibly Polynesia.
Jeju Island could have become a Korean "Taiwan" had North Korea managed to unify the Korean peninsula during the Korean War.
https://en.wikipedia.org/wiki/Jeju_Province