The holy shrine of Imamzadeh Heydar is one of the sons of Imam Musa Kazem (AS) and is known as one of the tourist attractions of Khuzestan. In the historical books of Imamzadeh Heydar Behbahani with the names of "Amirhadir" and "Agha Pirhidar" is also mentioned.
In 737 AH For the first time, a shrine and a place for the Imam Zadeh Haydar (PBUH) were built in Behbahan the Great and later it was restored and developed during Safavid and Qajar times.
The building of the Imamzadeh Haydar Astana consists of a large courtyard, Motahar hall, Roza Manorah, Hazrat Fatemeh Zahra Hall, Imamzadeh Haydar Mosque, New Imam Hassan Mojtaba's Hall in two floors, dome and 4 flower beds, which are unique in architecture. He has an Iranian Islamic identity.