biên giới

== Vietnamese == === Etymology === Sino-Vietnamese word from 邊界, composed of 邊 (“edge”) and 界 (“boundary”). === Pronunciation === (Hà Nội) IPA(key): [ʔɓiən˧˧ zəːj˧˦] (Huế) IPA(key): [ʔɓiəŋ˧˧ jəːj˨˩˦] (Saigon) IPA(key): [ʔɓiəŋ˧˧ jəːj˦˥] === Noun === biên giới a frontier (part of a country that fronts or faces another country or an unsettled region) === See also === địa giới biên phòng biên cương