The FCO Advisory issued 12 December states in part:
"The Foreign and Commonwealth Office (FCO) advise against all travel to within 10 km of the border with Syria and to the city of Diyarbakir...
...The FCO advise against all but essential travel to:
- the remaining areas of Sirnak, Mardin, Sanliurfa, Gaziantep, Diyarbakir, Kilis and Hatay provinces
- the provinces of Siirt, Tunceli and Hakkari...
There is a high threat from terrorism. Terrorist groups, including Kurdish groups, Daesh (formerly referred to as ISIL) and far left organisations, continue to plan and carry out attacks. Further attacks are likely and could be indiscriminate...
...There is a heightened risk of terrorist attack against the aviation industry in Turkey. You should co-operate fully with security officials at airports..."