Khoy is a city in the West Azerbaijan Province. It is 807 km north-west to Tehran. The region's economy is based on agriculture, particularly the production of fruit, grain, and timber.

Khoy is named as the sunflower city of Iran. The city's inhabitants are predominantly Azerbaijanis and Azerbaijani is dominantly spoken in Khoy, while nearly all inhabitants can also converse in Persian. The main religion is Shia Islam. Occupied since Median times, it shares a long history as an important Christian center.

Khoy is located in the mountainous region, so the weather is very cold in winter and cool in summer. Spring weather in this city is very pleasant. The city is located in the vicinity of mountains such as Chelekhaneh Mount and Avrin Mount (The highest mountain of West Azarbaijan Province).