Complex sentence: From Tanintharyi, it flows into the Andaman Sea at Myeik (Mergui), situated on a small island that is formed by two branches of the river, to the south of Tavoy and about north of where the Lenya River enters the sea.
Split into simpler sentences: From Tanintharyi, it flows into the Andaman Sea at Myeik (Mergui), situated on a small island that is formed by two branches of the river. The river's arrival at the Andaman Sea is to the south of Tavoy and about north of where the Lenya River enters the sea.