The complex of historical and cultural sites of the ancient Halych and Halych-Volyn state of the 12-13th century located on the territory of the modern Krylos village and Halych city (Ivano-Frankivsk region). The area of the reserve is about 80 km². The complex consists of a number of monuments of national and world importance among which the basements of the 14 churches of the 12-13th century, more than 200 archaeological monuments, and 18 protected areas.