there are 22 regions in mainland France and four more regions
overseas.
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the four French overseas regions, (which also are départements) are: la Guadeloupe and la Martinique in the Carribean; la Guyane (French Guiana) located North of Brazil; and la Réunion in the Indian ocean.
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France does not have counties, but regions. There are 26
administrative regions (21 in mainland France, 1 which is Corsica +
4 overseas).
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France is divided into regions, but these regions are modelled
after the provinces of the old regime, before the French
revolution.