We analyze the missionary activity of the Bishop of the Russian Orthodox Church Porphyrius (Konstantin Aleksandrovich Uspensky) in the territory of Palestine, which was part of the Ottoman Empire in the period under study from 1847 to 1853. Porphyrius’s preliminary explora-tion of these lands to justify the expediency of establishing a Russian Ecclesiastical Mission in the region, and the patronage of this idea among the authorities of the Russian Empire, including the Chancellor Count Nesselrode and Emperor Nicholas I, are shown. We consider the educational and charitable activities of Bishop Porphyrius among the local Orthodox population, including the provision of financial assistance in the creation of public schools and a theological school for the training of clergy from the local Arab population. It is noted that along with missionary work, re-search activities were extremely important for the bishop. As an orientalist, Porphyrius described local church folklore, collected relics and copied manuscripts, and described his observations. It is noted that his colleagues also sought to reveal to the Russian society the history and culture of the Middle East; in particular, the seminarian Solovyov made sketches of the area. The relations of the bishop with the Russian and Austrian consuls are described.