Echinos (Greek: Εχίνος; Bulgarian: Шахин, Shahin) is a settlement in the municipality Myki in the Xanthi regional unit of Greece (Longitude: 24° 58'16" E, Latitude: 41° 16'19" N). It is 761 kilometers northeast of Athens, 254 kilometers northeast of Thessalonica, and 27 kilometers north northeast of Xanthi. In 1981, the population of Echinos was around 3123 inhabitants. In 1991, the population declined to around 2357 inhabitants.