In the education system of the Ottoman Empire, the western influence began to be felt with the modernization period, and many new educational institutions were opened in order to keep up with the requirements of the age. Hamidiye Commercial School, which was opened by the support of Sultan Abdulhamid, is one of these schools. The school was opened in order to include the Ottoman citizens, who were far from commercial life, and to adapt to the changes experienced all over the world, especially after the industrial revolution. The curriculum of the school, which is defined as the first commercial school opened at the higher education level in most studies, includes language courses such as Greek, French, Arabic, Italian, and English, as the international dimension of commercial life is considered in addition to geography, history, calculus, economics, chemistry, law, and physics courses. has received. In this study, the subject is the work named “The Commercial Geography of the Ottoman Lands” written for the Commercial Geography course given in the third and fourth grades of the school. The work was written by Hüsrev Manolyan, one of the senior students of the Commercial School, after there was no work to be taught as a textbook, though there was a course with this name in the Commercial School. In the study, since the work in question was not very voluminous, it was adapted to modern Turkish, insights about the development of geography in the Ottoman Empire, a short history of the Commercial Schoo,l and the author of the work are also given.