1568, 5088, 0 - region 6223.
#161 map: https://puu.sh/zdQIc/e16586f65e.png
Note: This is taken from my own source just yesterday, it's one revision behind OSRS but the maps are still the latest.
Note 2: If you're going to use it and don't know how to convert region id to coordinates:
final int x = (regionId >> 8) << 6;
final int y = (regionId & 0xFF) << 6;