The country your node is listed under on the marketplace. Users pick an exit by country, so it has to match where the server is.
What to pick
The country where the server is physically hosted, not where you live: Hetzner in Germany is DE, Vultr in Tokyo is JP.
Why it matters
- Location-based services. Users choose an exit to appear in a country. A wrong country sends them somewhere else.
- Latency. Users expect the distance of the country they chose.
- Law. The exit's country decides which laws apply to traffic leaving it.
The country can't be edited in Settings after registration, so check it before you register. With WARP on, websites see a Cloudflare address, which may be placed in a different country.