The Bor District (Serbian: Борски округ, romanized: Borski okrug, pronounced [bôːrskiː ôkruːɡ]; Romanian: Districtul Bor) is one of nine administrative districts of Southern and Eastern Serbia.

The Triballi dominated the region before the Roman conquest in the 1st century BC that weakened and subdued the Paleo-Balkan tribes.

The Triballi, a Triballi-Dacian tribe, were defeated by the Roman army under Marcus Licinius Crassus, the consul of 30 BC.

The ethnic composition of the Bor district is as follows:[4] The region is a traditionally energy oriented, as it has the hydroelectric power plants of Đerdap: Iron Gate I and Iron Gate II, and is also rich in copper and gold deposits, especially in the Bor and Majdanpek areas; silver has also been discovered, but is rare.

Note: All official material made by the Government of Serbia is public by law.