The Treaty of Mecca was an agreement signed in 1926 between the Kingdom of Saudi Arabia and the United Kingdom. This treaty aimed to establish a framework for cooperation and mutual recognition, particularly concerning the governance of the holy cities of Mecca and Medina. It marked a significant step in the consolidation of Saudi authority in the region. The treaty also addressed issues related to the protection of Islamic holy sites and the rights of pilgrims. It helped to solidify the relationship between the Saudi monarchy and the British government, influencing the political landscape of the Arabian Peninsula during the early 20th century.