Chalk

Priniatikos Pyrgos is an archaeological site near Istron River, in the eastern Cretan regional unit of Lasithi, (Greece). The nearest big town is Agios Nikolaos, Crete. The site is on a coastal promontory. It appears to have been first settled in the Final Neolithic, circa 3000 BC. Nearby, there's a small resort town of Kalo Chorio, Lasithi.

Istron (Ancient Greek: Ἴστρων) was a town of ancient Crete. Istron is mentioned in a list of Cretan cities cited in a decree of Cnossus from about 259-233 BCE, as well as in the list of Cretan cities that signed an alliance with Eumenes II of Pergamon in the year 183 BCE.The site of Istron is located near modern Priniatikos Pyrgos.

Vrokastro was an ancient Minoan civilization settlement in the Lasithi regional unit of eastern Crete, Greece. It overlooks the Gulf of Mirabello.The site was a mountain citadel located on a hill 1,5 km east of Priniatikos Pyrgos, another very early archaeological site. Nearby, there's a small resort town of Kalo Chorio, Lasithi.