Ключевые слова: ancient, archeological, archeology, architecture, basil ii, bath, brick, bulgaria, byzantine, destinations, europe, fortification, fortress, gate, gate of trajan, historical, ihtiman, landmark, medieval, mountain, outdoor, park, pass, remains, remnants, roman, roman bath, ruins, samuil of bulgaria, sight, sights, sightseeing, sofia region, sredna gora, sredna gora mountain, structure, thermal bath, thrace, tourism, touristic, town, trajan, trajanovi vrata, trajans gate, wall,