As the Turkish National Commission for UNESCO, we are pleased to have prepared the fourth version of this English publication in 2023, when we celebrated the 74th Founding Anniversary of our National Commission. We prepared the first version in 2013, the second version in 2016, and third version in 2019 which we thought to update as new heritage sites were added to the List. The editorial activities of this book were assumed by Prof. Dr. Nevra Ertürk Güngör and Prof. Dr. Özlem Karakul. Assoc. Prof. Dr. Zeynep Aktüre, Deputy Chair of the Tangible Heritage Expert Committee carried out the coordination activities for the multi-authored “Gordion” article. Assoc. Prof. Dr. Zeynep Eres, Member of the Tangible Heritage Expert Committee carried out the coordination activities for the multi-authored “Arslantepe mound” article. The Secretariat of the Turkish National Commission for UNESCO provided coordination of the activities in the preparatory process. The secretariat services in the preparatory process of the book were assumed by Cansu Türk, Dr. Azize Ökten and Esra Hatipoğlu Aksoyoğlu. Ellen Yazar undertook the English editing of the translations. Grafiker Publishing realized the composition and printing of the book. I would like to express my gratitude on behalf of the Turkish National Commission for UNESCO to everyone separately who expended efforts along with those whose names we could not give above.