The Tula Kremlin is the heart of the ancient city and an outstanding monument of 16th-century defensive architecture. Located in the very center of Tula, it is the city's oldest structure and one of Russia's most important cultural and historical sites. This stone fortress was founded by decree of Prince Vasily III in 1507 to protect the state's southern borders and, over the centuries, was never surrendered to an enemy.

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The fortress is a regular rectangle with a wall perimeter of about one kilometer and a total area of six hectares. Its architecture harmoniously combines Russian building traditions with the best achievements of Western European fortification art, which, according to historians, suggests the possible involvement of Italian masters in its construction. The powerful walls with nine towers, four of which were gate towers, still impress with their grandeur today.
Today, the Tula Kremlin is a magnificent open-air museum complex. Behind its walls lie not only ancient towers and fortifications but also significant buildings such as the 18th-century Assumption Cathedral and the Epiphany Cathedral, which formerly housed the Museum of Weapons. A walk through the Kremlin grounds allows you to soak in the atmosphere of medieval Russia and touch the city's centuries-old history.