Sorry for the dumb question. If you don’t embrace any other cultures or languages except your own country, then just say country.
I will never be a “Norwegian Norwegian” as I wasn’t born or raised in Norway. I’m American, so my neighbors would be Canada and Mexico.
However, my cultural neighbors would be Sweden, and Finland I guess. I’m not a true Norwegian, for the record, but we embrace our heritage a lot and have been raised around videos of the language since I was little but didn’t actually remember anything so I’m learning more.
This would have worked way better centuries ago. Now, anything with a coast is a bit of a surprise bag.
Australia is far from England, and NZ is literally antipodal to Spain which is close, but they’re pretty English and not very Papuan or Indonesian.