Something easier might be wss://countries.fiatjaf.com by nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6

It only show notes to people in your country based on IP address. Although, I’ve just tried to query it and it’s not loading notes newer than 39 days ago.