There are several places all over the city in different areas that you can visit for travel information, that is if you miss the first one at the airport. All these offices have maps and guides in different languages. Here are the contacts for each one in their respective neighborhoods : 
 

  • Atatürk Havalimanı Tourism Information Office
  • Address Phone Fax Atatürk Hava Limanı içi -Yeşilköy İSTANBUL
  • +90 (212) 573 41 36 / 663 07 98    Fax:- +90 (212) 663 07 98
  • Beyazıt Tourism Information Office
  • Address Phone Fax Beyazıt Meydanı İSTANBUL
  • +90 (212) 522 49 02
  • Karaköy Tourism Information Office
  • Address Phone Fax Karaköy Limanı Yolcu Salonu İçi İSTANBUL
  • +90 (212) 249 57 76
  • Sirkeci Tourism Information Office
  • Address Phone Fax Sirkeci Garı İSTANBUL
  • +90 (212) 511 58 88
  • Sultanahmet Tourism Information Office
  • Address Phone Fax At Meydanı İSTANBUL
  • +90 (212) 518 18 02 / 518 87 54    Fax- +90 (212) 518 18 02
  • Taksim-HiltonTourism Information Office
  • Address Phone Fax Hilton Oteli Girişi - Elmadağ İSTANBUL
  • +90 (212) 233 05 92
  • Taksim Meydanı Tourism Information Office
  • Address Phone Fax Taksim İSTANBUL
  • +90 (212) 245 68 76


http://www.istanbul.gov.tr/stanbul.go...,

Tip/Hint : Most people in Istanbul are well educated and speak English with a genuine willingness to help with any questions so if you cant make it to the nearest tourist office, just go to the nearest shop or person and ask :)