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.
Tabriz, Being the provincial capital of East Azarbaijan, has slightly more than 2,000,000 population. Tabriz has been the capital city of Iran on numerous times throughout the old history of this country. Tabriz is located in a valley to the north of the beautiful Mount Sahand. The valley opens out into a plain that slopes down gently to the northern end of Lake Orumieh, about 60 km to the west. Tabriz is 310 km southeast of Bazargan (Iranian-Turkish frontier); 159 km south of Jolfa on Iran-Azarbaijan Republic border, and can be reached by very good roads, rail (742km from Tehran, with connections to the Europe and Moscow), and air from Tehran and other major cities.