Bijar (or Bidjar) Kurdish rugs are often called the Iron Rugs of Iran. The Bijar was a heavy durable rug that has been very popular in the United States. Now the Bijar rug tends to be a finer thinner more Sarouk like rug. Most Bijar Kurdish carpets are woven by Gerrus Kurds in the Bijar area while a finer copy of Bijar carpets are woven by Afshar weavers who live in the Tekab and Tekkenteppe Area in Gerus.

Bijar is a town in North-West Iran approximately 45 km from Senneh (Sanandaj)

The Bidjar carpets made in Iran can be put into the following three main categories:

Bījār (Persian: بيجار, Kurdish: بی ئجار) is a city is a city in and capital of Bijar County, Kurdistan Province, Iran. At the 2006 census, its population was 46,156, in 12,312 families. With an elevation of 1883.4 meters, Bijar is called the Roof of Iran.^{[citation needed]}

The following villages are located near Bijar (with 2006 populations in parentheses): Yasukand (3,268), Tup Agaj (2,172), Pir Taj (1,451), Cheshmeh Mantesh (1,012), Khandan Quli (1,003), Zeynal (915), Seydan (893), Khorkhoreh (872), Baba Rashani (481).

The majority of the inhabitants of Bijar are Kurdish. Bijar is known internationally for its elegant and ancient carpet and rug designs. The term bijar could be a variation of bajar (i.e city in Kurdish) and the complete name of the city is Bijar-e Garrus (city of Garrus). Among other suggested etymology for bijar are bid-zar (land of willow tree) which is linguistically unlikely.

Historically, Bijar has been part of Garrus administration unit. Before the creation of Zanjan province by the Pahlavi regime (after WWI), the wider region of Garrus covered Suhreward, the birth place of Shahab al-Din Suhrewardi, the famous Persian philosopher of illumination.