https://en.wikipedia.org/wiki/New_Caledonia: *“New Caledonia is one of the Europ...

https://en.wikipedia.org/wiki/New_Caledonia: “New Caledonia is one of the European Union's Overseas Countries and Territories (OCTs), but is not part of the European Union.”

Or, from the horse’s mouth, https://international-partnerships.ec.europa.eu/countries/ov...:

“Thirteen Overseas Countries and Territories (OCTs) are associated with the European Union.

[…]

OCTs are neither part of the EU territory nor of the EU single market.”

So, this is a ban by an EU country, but not in the EU.