The updated U.S. travel advisory comes amid concerns over an escalation of a long-standing dispute between the two Southeast Asian neighbors who share a 500-mile land border—largely mapped by France when it ruled Cambodia for 90 years until 1953.

Seoul's Ministry of Foreign Affairs raised its travel advisory for parts of the Cambodia–Thailand border as clashes between the two countries intensified, implementing a "special" travel advisory urging Korean nationals to leave the area.

The FCDO travel advice for Thailand says the same about the border crossing, but adds: “Take extra care and stay alert in border areas and follow the instructions of local authorities, especially at tourist destinations such as the Preah Vihear temple, the Ta Kwai temple and the Ta Muen Thom temple.

Indonesian industry experts estimate a 10-15 per cent rise in visitors to the island due to the hostilities between Bangkok and Phnom Penh.

The Indian Embassy in Thailand has issued a travel advisory for Indian nationals. The advisory urges travelers to avoid certain provinces near the Thailand-Cambodia border due to security concerns.