The historical monument “Vladivostok Fortress” is a complex of defensive structures erected on the Muravyov-Amursky Peninsula and Russky Island in 1877–1917. It consists of coastal batteries, forts, caponiers and other objects. The complex is one of the most powerful seaside fortresses in the world. By the beginning of the Russo-Japanese War in 1904, the fortress included 5 forts, 7 strong points, 20 land batteries and 23 coastal batteries.