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- The region Vlaanderen, consisting of the five provinces (in the sense of the dropdown list on the cache creation form) "Antwerpen", "Limburg", "Oost-Vlaanderen", "Vlaams-Brabant", and "West-Vlaanderen".
- The regions Brussels-Capital and Wallonie, the latter consisting of the provinces "Brabant Wallon", "Hainaut", "Liège", "Luxembourg", and "Namur".
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