You need a visa to enter Sri Lanka. You can get a short stay visa online. See Visas
Most visits to Sri Lanka are trouble-free. However, you should be aware of the risk of sexual assault, spiked drinks, road accidents, drowning due to dangerous tides and credit card fraud. See Safety & Security
Dengue fever occurs throughout the country. See Health
Sri Lanka can be affected by severe weather such as like tropical cyclones and monsoon rains. A general alert has been issued by the Centre for Disaster Management over the onset of the South Western Monsoon (check local advice before setting out. See Natural disasters
Terrorist attacks in Sri Lanka can’t be ruled out. See Terrorism
If you’re abroad and you need emergency help from the UK government, contact the nearest British embassy, consulate or high commission.
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.