In this study, “Gazaawat al Khalid ibn al-Walid, registered at number 06 Mil Yz A 1930 in Ankara National Library Manuscripts Collection, written by Haji Mehmed Effendi in Hijri 1051 during the middle of Ramadan was examined for subject and language. Gazaawatname is the word produced combining the Arabic gazwa with the Persian naama, a general term for works where wars fought against enemies are narrated. Gazaawat is the plural form of gaza. Gazaanamas tell a single war, while in gazaawatnaama, wars and series of attacks are mentioned. These works are considered an important resource for history researchers as they tell events belonging to a particular period of time in detail. The tradition of gazaawatnaama begins in the Turkish literature in the 15th century and develops dramatically in the 16th century. Gazaawat al Khalid ibn al-Walid covers the subjects regarding the holy wars of Hadrat Khalid ibn al-Walid during Hadrat Omar and the conquest of the Persian region of the Muslim armies under the command of other Ashab alKiram. While the work bears the linguistic features of the 17th century, it also contains archaic elements from Old Anatolian Turkish. This work is the copyright of the Haji Mehmed Effendi written on its first foil, which is understood to have been written with a different script later. This work is made up of 79 pieces of foil and one foil is missing, and its copyist is not written. Each page is 17 lines. It was written in the form of verse-prose. Some words contain vowel points. In this article, the introduction of Gazaawat al- Khaled ibn Walid, possessing characteristics of the Old Anatolian Turkish will be made and some data will be provided about its linguistic features.