Mashhad is a city in northeastern Iran. It is the second-largest city in Iran after Tehran, with a population of 3,001,184 in 2016. It is the capital of Razavi Khorasan Province. The city is located in the Razavi Khorasan region.
Mashhad is considered a holy city in Shia Islam as it is the site of the Imam Reza shrine, which is the largest mosque in the world and is also the second-holiest place in Shia Islam after Karbala in Iraq. The city is home to the Mashhad International Airport.
The city is notable for its many cultural attractions, including the tombs of the Imams Ali al-Ridha, Hassan al-Askari, and Muhammad al-Jawad, the Goharshad Mosque, the Ferdowsi Monument, and the Khayyam Garden.