Vietnamese Prime Minister Nguyen Tan Dung and his Cambodian counterpart Samdech Hun Sen chaired a ceremony to unveil the last of the two countries' land border markers on Sunday, Vietnam News Agency reported.
Located near the coast of the Gulf of Thailand, border marker no. 314 separates Vietnam's Kien Giang Province from Cambodia's Kampot Province.
Kien Giang is the Mekong Delta's westernmost province.
Vietnam and Cambodia have to date installed 287 border markers and completed the demarcation of about 653km of borderline.
PM Dung said the inauguration of the last border marker was a meaningful event marking the 45th anniversary of the two countries' diplomatic relationship.