it's language based, the main goal is to produce content and education in local language for people that are not proficient in english. then this cyberspace serves as base for other activity. the more countries speaking the same language, the larger the bitcoiner base and more can be done. I'm from the Balkan Dvadesetjedan, we have a big group for all the Balkan countries, but then there are smaller groups that emerge organically by projects or countries and similar

also interested in this question. The community chat I help run is from around the world, but the main language is english.