|• Total||257.83 km2 (99.55 sq mi)|
|• Density||2.4/km2 (6.3/sq mi)|
|Time zone||UTC+2 (EET)|
|• Summer (DST)||UTC+3 (EEST)|
As of December 2018, the municipality of Treklyano has only 758 inhabitants living in 19 small villages.
According to the latest Bulgarian census of 2011, the religious composition, among those who answered the optional question on religious identification, was the following: