I don't know about all platforms but on #Amethyst you can set it to "around me". Which is what you are asking for
Discussion
How does it track location?
I think you need to turn on GPS, to use it, or something.
The japanese relay use IP addresses, I think.
Language could be another hint.
Like, you could have an aggregator relay that lets you filter by language.
Don't know, if nostr.land has considered something like that. He's working on an AI-translation service, so nostr:npub12262qa4uhw7u8gdwlgmntqtv7aye8vdcmvszkqwgs0zchel6mz7s6cgrkj has the tech stack for it.
There is a suite of relay.events relays coming up 👀
Meant for public use funded by donations. NWC, signers, ephemeral events, relays for devs.