The town of Sandanski is located in southwest Bulgaria, situated on the southwest slopes of Pirin Mountain. Its average altitude is from 240 - 300 meters. The population of the city is 25 279 people.
Sandanski is the warmest town in Bulgaria during all seasons, with an average annual temperature of 14.7 ° C and an average annual sunshine duration of 2450 hours.
The town of Sandanski is the administrative center of the Municipality of Sandanski, with a population of 41,606 people, inhabiting the towns of Sandanski and Melnik, and 52 villages.