Jalalabad (; Pashto/, ) is the fifth-largest city of Afghanistan. It has a population of about 356,274, and serves as the capital of Nangarhar Province in the eastern part of the country, about from the capital Kabul. Jalalabad is located at the junction of the Kabul River and the Kunar River in a plateau to the south of the Hindu Kush mountains. It is linked by highways with Kabul to the west and the Pakistani city of Peshawar to the east including through the Khyber Pass.