UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934
For the month of July 2025
Commission File Number: 001-15092
TURKCELL ILETISIM HIZMETLERI A.S.
(Translation of registrant’s name into English)
Turkcell Küçükyalı Plaza
Aydınevler Mahallesi
İnönü Caddesi No:20
Küçükyalı
Ofispark
34854 Maltepe
Istanbul, Türkiye
(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:
x Form 20-F ¨
Form 40-F
Enclosure: A press release dated July 29, 2025 announcing
the release date of the registrant's second quarter financial results.

Istanbul, July
29, 2025
Announcement Regarding the Release Date of
2nd Quarter 2025 Financial Results
Our Company's financial results for the period
from April 1, 2025 to June 30, 2025 are scheduled to be publicly announced on August 13, 2025 after the Borsa Istanbul trading hours.
For more information:
Turkcell Investor Relations
investor.relations@turkcell.com.tr
Tel: + 90 212 313 1888
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.
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TURKCELL ILETISIM HIZMETLERI A.S. |
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Date: July 29, 2025 |
By: |
/s/ Özlem Yardım |
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Name: |
Özlem Yardım |
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Title: |
Investor Relations Corporate Finance Director |
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TURKCELL ILETISIM HIZMETLERI A.S. |
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Date: July 29, 2025 |
By: |
/s/ Kamil Kalyon |
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Name: |
Kamil Kalyon |
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Title: |
Chief Financial Officer |