A Turkish visa is usually valid for three months. Visa rules vary depending on the nationality of the visitor; however, all travellers should hold a valid passport. All visa acquired upon arrival in Turkey must be paid with cash currency, proper banknotes no wear or tear, of the country you are having citizenship either US Dollar, Euro or GBP Sterling.
Visas are mandatory for American visitors with valid US passports. A visa can be acquired on your arrival in Turkey.
European citizen having an EU passport can get a multiple entry visa on their arrival in Turkey, provided their passports are valid. British nationals having a UK passport and residing in Britain or Hong Kong can obtain a multiple entry visa at the point of entry to Turkey. Non UK passport holders must, however, obtain a visa from their nearest Turkish Embassy, prior to the visit. Canadian, Australian and Irish citizens can get a multiple entry visa on their arrival in Turkey, provided their passports are valid. South African nationals are required to obtain a visa prior to their arrival in Turkey. New Zealanders with valid passports do not require a visa for short trips not exceeding 3 months.
Passport/Visa Note: Your passport should be valid during your stay in Turkey. All documents required for return or onward journey should be available with you and you should also have sufficient money to cover your vacation expenses. Appearances do matter a lot - if you don't look too well groomed, you could be denied a visa!
Note: It is recommended that you check the latest visa and passport requirements with your embassy before planning a trip to Turkey. These rules are subject to changes very often.