The flag of Turkey (Turkish: Tuerk türk, bayrağı Meaning turkish) flag is a red flag featuring a white star and. Crescent the flag is often called al (bayrak the red) flag and referred to as al (sancak the red) banner in The turkish national. anthemundamentals of the Turkish flag during the Republic period of Turkey were laid down by Turkish Flag Law No. 2994 on May 29, 1936. Turkish Flag Regulation No. 2/7175 dated July 28, 1937, and Supplementary Regulation No. 11604/2 dated July 29, 1939, were enacted to describe how the flag law would be implemented.