No wonder that all these civilizations picked precisely these spots for their 1st cities. The geographical position and landscape around and within the two is perfect and matches the desire and need of all ancient and medieval rulers to possess a city exactly here.  Surrounded with protected sea ports and plain valleys easy to defend. Together with the source of life and prosperity which are freshwater and salt, Zadar and Nin are the crucial 'must have' for the ancient and medieval governments. Today a 'must see' when in the area.