The Frontier Areas, also known as the Excluded Areas or the Scheduled Areas, compose the majority of states within Myanmar today. They were administered separately by the British, and were united with Burma Proper to form Myanmar's geographic composition today. The Frontier Areas were inhabited by ethnic minorities such as the Shan, the Kachin and the Karenni. The Shan are an ethnic group of Southeast Asia. ... Kachin is a state of Burma. ... Kayah, also called Karenni State is a state of Myanmar. ...