US Warns Americans of Robbery Risk and Border Unrest in Cambodia

The U.S. State Department has updated its travel guidance for Cambodia with a sharpened warning about street crime targeting foreigners and a separate “do not travel” alert for areas near the Thailand border due to unrest and the risk of armed conflict.

What the updated U.S. advisory says

The current U.S. advisory for Cambodia is Level 2, “Exercise Increased Caution,” citing crime, unrest, and the presence of unexploded ordnance in parts of the country. The advisory also flags Phnom Penh specifically for increased caution due to crime, reflecting ongoing concerns about theft and robberies that frequently affect visitors in areas popular with foreigners.

A more serious warning applies to the Cambodian-Thai border area: the State Department lists locations within 50 kilometers of the Cambodia–Thailand border as Level 4, “Do Not Travel,” tied to ongoing tensions between Cambodian and Thai military forces and an elevated risk of violence. The advisory notes that emergency assistance for U.S. citizens can be limited in that region because of security conditions.

The guidance also highlights landmines and unexploded ordnance in several provinces, including Battambang, Banteay Meanchey, Pursat, Siem Reap, Pailin, Kampong Thom, and Preah Vihear, urging travelers to avoid unknown metal objects and to use local guides in remote areas.

Robbery concerns: what travelers should know

The advisory’s crime language focuses on street-level theft that can turn dangerous when victims resist. Snatch-and-grab incidents involving phones and bags are repeatedly referenced in U.S. travel guidance as a common risk in Cambodia, especially in crowded places and in neighborhoods where visitors congregate.

Travelers are urged to avoid physically resisting a robbery attempt, a detail that stands out in the current guidance. While the advice is simple, it reflects a real-world pattern: fast-moving thefts can escalate into injury when perpetrators use motorcycles or force to grab items.

For Americans planning to visit Phnom Penh, the warning is particularly relevant around nightlife districts, busy markets, riverside areas, and other places where phones are out and attention is divided. The advisory encourages travelers to limit visible valuables, keep a firmer hold on bags and devices, and reduce opportunities for quick grabs.

Border unrest: why the Thailand frontier is singled out

The Level 4 “do not travel” area along the Cambodia–Thailand border is framed as a security risk linked to ongoing tensions and the possibility of collateral violence. The U.S. advisory references reports of civilian casualties connected to the unrest and urges travelers to avoid unnecessary travel within the 50-kilometer zone “until further notice.”

For travelers building multi-country itineraries, the border warning matters because overland routes between Cambodia and Thailand can involve traveling near or through provinces adjacent to the frontier. Even if a border crossing is operating normally, nearby conditions can shift quickly, and travelers may encounter sudden restrictions or heightened security measures.

Thailand’s own U.S. travel advisory separately advises increased caution near the Thai-Cambodian border due to the risk of armed conflict, and notes that Thai authorities may establish security exclusion zones with little notice. Taken together, the twin advisories point to a corridor where travelers should plan conservatively, check current conditions, and avoid improvising detours close to the frontier.

Practical steps for Americans planning Cambodia travel now

For most travelers heading to major destinations such as Phnom Penh and Siem Reap, the advisory does not suggest canceling trips outright, but it does argue for more deliberate personal-security habits. Publicly available U.S. guidance repeatedly emphasizes controlling documents and valuables, including carrying copies of key IDs rather than originals when feasible and storing passports securely.

The State Department also promotes enrollment in the Smart Traveler Enrollment Program (STEP) so travelers can receive updates and make it easier for U.S. consular staff to reach them during disruptions. In parallel, travelers are encouraged to review insurance coverage for medical care and emergency evacuation, particularly if plans include rural provinces where services can be limited.

Because the advisory also highlights unexploded ordnance in multiple provinces, trip planning should consider how excursions are structured outside core tourist zones. Activities that involve hiking, motorbiking, or exploring remote areas carry different risk profiles than city sightseeing, and using established guides and staying on well-used paths can reduce exposure to hazards that are not always visible.