7) What are the entry requirements for Turkey?

British citizens visiting Turkey for up to 90 days in a 180 day period won't need a Visa. However, your passport will need to be valid for at least 6 months after the date you arrive in Turkey and at least 3 months after the date you leave the country. 

We recommend you visit the FCDO website for the most up-to-date information - www.gov.uk/foreign-travel-advice/turkey.