New Caledonia is a French Overseas Territory. There is no formal British diplomatic representation. If you need consular assistance, contact the British Embassy, Paris.
There is a low threat from terrorism. See Terrorism.
Most visits to New Caledonia are trouble free. Crime levels are low but you should take normal precautions.
Tropical cyclones may occur between mid-December and mid-March. See Natural Disasters
Take out comprehensive travel and medical insurance before you travel.