Exclusive economic zone of Vietnam
Vietnam claims an exclusive economic zone (EEZ) of 1,395,096 km2 (538,650 sq mi) with 200 nautical miles (370.4 km; 230.2 mi) from its shores. Excluding all disputed waters, Vietnam has an undisputed exclusive economic zone of 417,663 km2 (161,261 sq mi).
Source: Wikipedia — Exclusive economic zone of Vietnam (CC BY-SA 4.0)