The department investigated the Buon Ma Thuot region in early August before granting the GI certificate for coffee to Vietnam, Jutathip told Thanh Nien Newspaper in Bangkok recently.
The certificate is convincing proof that the product possesses certain qualities is based on traditional methods to certify its geographical origin.
She said Thailand has asked to protect the GI for Thai silk in Vietnam.
Thai silk is a trademark that originates from the northeast region of Thailand, where high quality silk has been produced for hundreds of years as a cottage industry. It has been supported by Queen Sirikit since 1970.