You need a visa to enter Sri Lanka. See Visas
Most visits to Sri Lanka are trouble-free, but you should be aware of the risk of credit card fraud, increase in sexual assaults, drinks being spiked, road accidents and drowning due to dangerous tides. See Safety & Security
There is a risk from Dengue fever. See Health
Sri Lanka can be affected by severe weather like tropical cyclones and monsoon rains. Check local advice before setting out. See Natural disasters
There is an underlying threat from terrorism. See Terrorism
The Overseas Business Risk service offers information and advice for British companies operating overseas on how to manage political, economic, and business security-related risks.
Take out comprehensive travel and medical insurance before you travel.