Recep Tayyip Erdoğan, who was re-elected as president, has assumed office for his new term, with his term expected to continue until 2028.
Nearly 100 senior foreign guests from 81 countries, including 50 heads of state and government, attended the inauguration ceremony.
Venezuelan President Nicolas Maduro and Kazakhstan President Kassym-Jomart Tokayev also took part in the ceremony.
Erdoğan hosted a dinner at the Çankaya Mansion in honor of the attending leaders who participated in the ceremony.
Erdoğan participated in a photo session alongside Armenian Prime Minister Nikol Pashinyan, Turkish Armenian Patriarch Sahak Mashalyan, AK Party Istanbul Deputy Sevan Sıvacıoğlu, and Çağdaş Factoring Chairman of the Board and Karagözyan Foundation Board Chairman Dikran Gülmezgil.
After the program, President Erdoğan, President of Azerbaijan Ilham Aliyev, and the guests present signed the board as a symbolic gesture.