Thailand is known as land of white elephant because Thailand is the only Southeast Asian nation that has never been colonised by the europeans.4 people found this useful. Edit. Share to: 1  Europe on a Budget: 21 Free Walking Tours in Europe Walking tours can be a great way to get to know a new city.hailand is known as land of white elephant because Thailand is the only Southeast Asian nation that has never been colonised by the europeans.