History:
Samatbhais spread likely came from people moving, both willingly and unwillingly. Families might have branched out for better jobs or to marry into families elsewhere. Over time, this surname became common in new places. Wars or political problems might have also forced people to move, taking this surname with them. Where people with this surname settled depended on things like resources and existing communities. So, the mix of these movements explains where you find this surname today.
