Natively Vietnamese Spoken AreaBy Kwamikagami at English Wikipedia, CC BY-SA 3.0, Link
Vietnamese is the national and official language of the Socialist Republic of Vietnam. It is an Austroasiatic language that is believed to be used by most of over 95 million Vietnamese people. It is also a very common foreign language spotted in many countries where Vietnamese immigrants live in. The "Yue Yu" spoken by Gin people in Southwestern China is very closed to Vietnamese.
IU doesn't offer the course of Votyak currently. CeLT has some learning material listed as below but will not share in the public domain. If you would like to request them, please send email to CeLT.