Just to avoid duplicating efforts, we should keep track of what we already have:
Matan: Central-Eastern-Europe, Germany-Alps, Russia, Scandinavia, UK-Ireland
luca: France, Italy, Spain-Portugal
ppdappda: Benelux

Still to be found: Australia-NZ, Brazil, Canada-Alaska, Greece, Hawaii, Malaysia, Mexico, Middle East, Singapore, South Africa, Turkey, USA East, USA West