Tustan is a medieval rock fortress-city and customs house of the XII-XVI centuries, an ancient Russian rock defensive complex, the remains of which are located in the Ukrainian Carpathians (Eastern Beskydy) in the Stryi district of Lviv region near the village of Urych, south of the city of Boryslav and southeast of the village of Skhidnytsia. The unique attraction of history, archeology, architecture and nature is located in the forest of Pidhorodtsia forestry and is part of the Tustan State Historical and Cultural Reserve..