Dawei (Thai: ทวาย; formerly known as Tavoy), is a city in southeastern Myanmar and is capital of Tanintharyi Region, formerly Tanintharyi Division, situated about 614.3 km (381.7 mi) south of Yangon on the northern bank of the Dawei River. Population (2004 estimate) 139 900. It is situated at 14.09°N 98.20°E. Dawei is a port at the head of the Dawei River estuary, 30 km (18.6 mi). from the Andaman Sea. As a result the city is prone to flooding during the monsoon season.