Of course not, it is the same country, Do you need passport to go to California from New York?
No, you don't need a special passport. Just use your passport that you use to enter the country to buy tickets. Plus you need to keep it for the police! Good luck!
That would depend on where you originate from. From North America you would need a passport. From a country in the European Union, of which Denmark is a part, you would not need a passport.
Yes. You need a passport and it must be valid for at least 6 months AFTER your travel dates.
Some countries in Europe need VISA, but dont worry about the VISA if you need it, you can get it when you land ISTANBUL it cost like 50 Euro. So no need to visit Turkish embassy, to be sure just call them, the embassy.
What do you mean by "Europe" and where are you returning to?? European Union passport holders traveling between the UK and other parts of the European Union need a passport. At present the passport can be in date or expired.
You need money first
No visa for the countries of the European Union: valid identity card or passport.
Unless you have a British or European passport, you need a Visa.
If you have a European/Italian passport, you can enter Mexico without many issues.
Although you don't need a passport for immigration purposes, you should check with your airline what they will accept as photo ID. Some airlines only accept a passport or an European national identity card.
You will need a VISA for Ireland, but not for Turkey (unless you wish to leave the airport).
You always need a passport to travel abroad.If you mean a visa, the answer is still no, unless you count Turkey as an European nation. You are allowed to visit Turkey for up to 3 months without a visa on your Iranian passport.