Zashchitinskaya Fortress is a historic site located near Ust-Kamenogorsk, the administrative center of East Kazakhstan Region. The fortress holds a significant place in the history of the region, portraying the endurance and strategic importance during the expansion period of the Russian Empire. Constructed in the 18th century, it served as part of a defense system against the Dzungar invasions. Although the exact date of its construction is not well-documented, the fortress is thought to have been actively used in the defense and control of the territories newly incorporated into the empire. Today, the remnants of the fortress, including walls and watchtowers, are a testament to the presence of the military and local governance. It is a place of historical research and local tourism, offering insights into the military architecture of the past. The ruins still standing on the banks of the Irtysh River echo the tales of a bygone era where they played a crucial role in regional security and trade routes. Visitors to the site can explore the ruins, which offer picturesque views of the surrounding landscapes and the river.