Based on a comprehensive study of the defense systems of the late Scythian fortifications of the Foothill and North-Western Crimea, the monographs consider the principles of fortification, tactics and defense strategy of the Crimean Scythia. An overview of the systems of fortifications of hillforts that existed on the territory of the state of the Crimean Scythians from the end of the III century. - beginning of the II century. BC e. to III century. N. e.