Pavilion Arg is one of the historical monuments and tourist attractions which is known as the symbol of Birjand City. This monument, which is located in the center of the city, has been registered in the list of Iran's National Heritage under the registration number of 1880.
It originally consisted of two windcathchres in two sides which were removed while subsequent refurbishments. Currently, this monument lies at the general governor office of South Khorasan Province.
Pavilion Arg was used as government house in Amir Masoum Khan's reign, and it was built in late Zandieh period. Architecturally, this monument is different from other urban monuments.