page_title: Byattaba
section_title: Rebel ruler of Martaban (1364–1371)
hierarchical_section_title: Byattaba / Rebel ruler of Martaban (1364–1371)
caption_attribution_description: English: Political map of Myanmar (Burma) c. 1350
context_page_description: Byattaba was the ruler of the Martaban province of the Martaban–Hanthawaddy Kingdom from 1364 to 1388. He came to power by staging a coup against King Binnya U with the help of his brothers. Their rebellion led to the relocation of the Mon-speaking kingdom's capital to Pegu in 1369.
  In 1364, Byattaba, then a senior official, seized the Martaban province south of Donwun while his brother Laukpya seized the entire Bassein province. In 1371/72, the rebel brothers and the king signed a treaty that allowed the brothers to be his nominal vassals. In 1384, the brothers refused to extend the same recognition to Binnya U's son and successor Razadarit. Unlike Laukpya, Byattaba did not help Ava in the northern kingdom's two invasions against Pegu in 1385–1387. Nonetheless, he was driven out of Martaban in 1388 by Razadarit. He fled abroad, never to be heard from again.
caption: Myanmar c. 1350: Martaban was then capital of Ramanya
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