<P> Vietnam is located on the eastern margin of the Indochinese peninsula and occupies about 331,211.6 square kilometers , of which about 25 % was under cultivation in 1987 . It borders the Gulf of Thailand , Gulf of Tonkin , and Pacific Sea , alongside China , Laos , and Cambodia . The S - shaped country has a north - to - south distance of 1,650 kilometers and is about 50 kilometers wide at the narrowest point . With a coastline of 3,260 kilometers , excluding islands , Vietnam claims 12 nautical miles ( 22.2 km ; 13.8 mi ) as the limit of its territorial waters , an additional 12 nautical miles ( 22.2 km ; 13.8 mi ) as a contiguous customs and security zone , and 200 nautical miles ( 370.4 km ; 230.2 mi ) as an exclusive economic zone . </P>
<P> Vietnam is located on the eastern margin of the Indochinese peninsula and occupies about 331,211.6 square kilometers , of which about 25 % was under cultivation in 1987 . It borders the Gulf of Thailand , Gulf of Tonkin , and Pacific Sea , alongside China , Laos , and Cambodia . The S - shaped country has a north - to - south distance of 1,650 kilometers and is about 50 kilometers wide at the narrowest point . With a coastline of 3,260 kilometers , excluding islands , Vietnam claims 12 nautical miles ( 22.2 km ; 13.8 mi ) as the limit of its territorial waters , an additional 12 nautical miles ( 22.2 km ; 13.8 mi ) as a contiguous customs and security zone , and 200 nautical miles ( 370.4 km ; 230.2 mi ) as an exclusive economic zone . </P>
what sea is off the coast of vietnam
what sea is off the coast of vietnam
Pacific Sea
Pacific Sea