Chavdar (Bulgarian: Чавдар, pronounced [t͡ʃɐvˈdar]) is a village situated in a mountain region, in the eastern part of Sofia Province, Bulgaria.

Archaeological excavations of a settlement mound near the Topolnitsa River show that a Neolithic community has been present as early as 7,000 years ago.

Professor Georgi Georgiev and Senior Researcher Kancho Kanchev, both with the National Archaeological Museum of Bulgaria were leading the efforts through the years to uncover the hidden artifacts.

This culture artifacts have played important role in periodization of the prehistoric time in Bulgaria and the region.

The first written evidence of the present day village of Chavdar are found in the Ottoman Nikopol District Tax Register dating back to 1430.

Legend has it, while visiting the village, sitting at the banks of Topolnitsa River, Dr. Radoslavov has said: "If there is a paradise upon Earth, it is here in Bulgaria.

It was named after Chavdar Resistance Brigade, a Bulgarian partisan group of World War II that was active in the region.