History:
Wangchuks spread likely came from a mix of reasons. People with this surname might have moved to find better jobs, land, or cities. Wars or other big events could have also forced some families to move. Where people with this surname settled depended on where they went. Places already having many with this surname saw more people with this surname because of family and friends. New places got people with this surname as they settled there.
Description:
Wangchuk: This surname is mostly used by Tibetans. Learning more about the names history and meaning within the Tibetan community might help, but that needs expert knowledge of Tibetan names.