looking for a friendly powerful region to join with more than 10 people in it
You should check out Scandinavia. Friendly and protected by ISSP. 121 nations.
http://www.nationstates.net/cgi-bin/index.cgi/page=display_region
1000 ISLAND is a good nation and with Grub as our leader it will never fall. also you can get into TITO by contacting Grub about it.
Grub link
http://www.nationstates.net/cgi-bin/index.cgi/page=display_nation/nation=grub