Yangon is outside a sovereign state of Southeast Asia.
Brunei ( [ bruːˈnaɪ ] , ) , officially the Nation of Brunei , the Abode of Peace ( Negara Brunei Darussalam , Jawi : ) , is a sovereign state located on the north coast of the island of Borneo in Southeast Asia . Myanmar ( [ mjəmà ] ) , officially the Republic of the Union of Myanmar ( ပ ည ထ င စ သမ မတ မ န မ န င င တ , , [ pjìdàʊɴzṵ θàɴməda̰ mjəmà nàɪɴŋàɴdɔ̀ ] ) , also known as Burma , is a sovereign state in the region of Southeast Asia . Yangon ( ရန က န , MLCTS rankun mrui , [ jàɴɡòʊɴ mjo̰ ] ; formerly known as Rangoon , literally : `` End of Strife '' ) is the capital of the Yangon Region of Myanmar , also known as Burma .