Slave trade in the Middle East in the 18th – early 20th centuries. represents one of the most significant and important topics in the history of the Middle East region and the Arabian Peninsula. During this period, Arab traders played a leading role in the slave trade, transporting thousands of slaves from deep Africa and other parts of the world to the Arabian Peninsula. This article examines the history, causes and consequences of the slave trade in the Middle East in the 18th-20th centuries. In the 18th century it was the Trans-Saharan slave market that was considered one of the most significant and large-scale in the eastern part of Africa and the Arabian Peninsula. This period of history was characterized by intensive slave movements and large-scale exploitation of the African population in the Arab countries of Arabia. Trans-Saharan slave trade in the 18th century played an important role in the history of the entire region, including the Arabian Peninsula. This direction of the slave trade had a significant impact on the social and economic development of the countries of the Near and Middle East, and also contributed to the establishment of trade relations between Arab and European countries. Studying this topic helps to better understand the history of the slave trade in this region and its consequences.