Khoy is one of the ancient regions of Iran with a moderate climate. The capital city being Khoy located 807 km. from Tehran. The word Khoy means 'salt', as the primary settlers in this region were the Medes due to the presence of a salt quarry here, called it as such. According to ancient records Khoy was a place having great importance, and was one of the branches of the Silk Road connecting east to west and passed through this city in pre-Islamic ages.

Behistun inscription is considered as a UNESCO World Heritage Site. The Behistun Inscription (also Bistun, Bisitun or Bisutun, Modern Persian: بیستون ; Old Persian: Bagastana, meaning "the god's place or land") is a multilingual inscription located on Mount Behistun in the Kermanshah Province near the town of Jeyhoun Abad.

Takht-e Soleyman "The Throne of Solomon" or "Ganzak" city (Shiz) is the holiest shrine of Zoroastrianism and the former Sassanid Empire. On 3 July 2003, twenty-four sites were inscribed by the UNESCO as a collective World Heritage Site; one of these sites was the Takht-e Soleyman. It is located in the height of 3000 meter in 45 kilometers northeast of the city of Takab, West Azerbaijan province.