SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549



                                    FORM 6-K


                        REPORT OF FOREIGN PRIVATE ISSUER



                      PURSUANT TO RULE 13a-16 or 15d-16 OF
                       THE SECURITIES EXCHANGE ACT OF 1934


                    Report on Form 6-K dated October 12, 2004
 

                              --------------------
 
                        TURKCELL ILETISIM HIZMETLERI A.S.
 
                                 Turkcell Plaza
                            Mesrutiyet Caddesi No.153
                                 34430 Tepebasi
                                Istanbul, Turkey
                              --------------------
                    (Address of Principal Executive Offices)


        Indicate by check mark whether the registrant files or will file
              annual reports under cover of Form 20-F or Form 40-F:

                          Form 20-F: |X| Form 40-F: |_|

      Indicate by check mark if the registrant is submitting the Form 6-K
            in paper as permitted by Regulation S-T Rule 101(b)(1):

                                Yes: |_| No: |X|


      Indicate by check mark if the registrant is submitting the Form 6-K
            in paper as permitted by Regulation S-T Rule 101(b)(7):

                                Yes: |_| No: |X|

         Indicate by check mark whether the registrant by furnishing the
          information contained in this form is also thereby furnishing
          the information to the Commission pursuant to Rule 12g3-2(b)
                   under the Securities Exchange Act of 1934.

                                Yes: |_| No: |X|

Enclosures:

Press Release dated October 12, 2004: Churn Correction











SIGNATURES


     Pursuant to the requirements of the Securities Exchange Act of 1934,
Turkcell Iletisim Hizmetleri A.S. has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.



                                         TURKCELL ILETISIM HIZMETLERI A.S.


Date:    October 12, 2004                By:  /s/ MUZAFFER AKPINAR
                                             ------------------------
                                         
                                         Name:    Muzaffer Akpinar
                                         Title:   Chief Executive Officer