Tavoy (Dawei) is a city in southeastern Burma (Myanmar) and capital of Tanintharyi Region, formerly Tenasserim Division located about 614.3 km (381.7 mi) south of Rangoon on the north bank of the Dawei River. Population (2004 estimate) is 139,900. 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. "Dawei" is also the name of one of Myanmar's 135 ethnic minorities.