| 1. Groningen | Groningen province |
| 2. Leeuwarden | Friesland province |
| 3. Assen | Drenthe province |
| 4. Zwolle | Overijssel province |
| 5. Lelystad | Flevoland province |
| 6. Nijmegen | Municipalities of Nijmegen, Berg en Dal, Beuningen, Buren, Culemborg, Druten, Geldermalsen, Heumen, Lingewaal, Maasdriel, Neder-Betuwe, Neerijnen, Tiel, West Maas en Waal, Wijchen, Zaltbommel |
| 7. Arnhem | Municipalities in Gelderland province not in district 6. |
| 8. Utrecht | Utrecht province |
| 9. Amsterdam | Amsterdam municipality |
| 10. Haarlem | Municipalities of Haarlem, Aalsmeer, Amstelveen, Beverwijk, Blaricum, Bloemendaal, Diemen, Gooise Meren, Haarlemmerliede en Spaarnwoude, Haarlemmermeer, Heemskerk, Heemstede, Hilversum, Huizen, Laren, Ouder-Amstel, Uithoorn, Velsen, Weesp, Wijdemeren, Zandvoort |
| 11. Den Helder | Municipalities in Noord-Holland province not in districts 9 and 10. |
| 12. Den Haag | Den Haag municipality |
| 13. Rotterdam | Rotterdam municipality |
| 14. Dordrecht | Municipalities of Dordrecht, Alblasserdam, Albrandswaard, Barendrecht, Binnenmaas, Brielle, Cromstrijen, Delft, Giessenlanden, Goeree-Overflakkee, Gorinchem, Hardinxveld-Giessendam, Hellevoetsluis, Hendrik-Ido-Ambacht, Korendijk, Leerdam, Maassluis, Midden-Delfland, Molenwaard, Nissewaard, Oud-Beijerland, Papendrecht, Ridderkerk, Rijswijk, Schiedam, Sliedrecht, Strijen, Vlaardingen, Westland, Westvoorne, Zederik, Zwijndrecht |
| 15. Leiden | Municipalities in Zuid-Holland province not in districts 12, 13 and 14. |
| 16. Middelburg | Zeeland province |
| 17. Tilburg | Municipalities of Tilburg, Aalburg, Alphen-Chaam, Baarle-Nassau, Bergen op Zoom, Breda, Dongen, Drimmelen, Etten-Leur, Geertruidenberg, Gilze en Rijen, Goirle, Halderberge, Hilvarenbeek, Loon op Zand, Moerdijk, Oisterwijk, Oosterhout, Roosendaal, Rucphen, Steenbergen, Waalwijk, Werkendam, Woensdrecht, Woudrichem, Zundert |
| 18. Den Bosch | Municipalities in Noord-Brabant province not in district 17. |
| 19. Maastricht | Limburg province |
| 20. Bonaire | Special municipalities of Bonaire, Saba, and Sint-Eustatius |