The Zindan Archaeological Site in Diyala 

Iraq contains tens of thousands of archaeological and heritage sites. One of its most significant though little known sites is the Zindan Archaeological Site in the province of Diyala. The Zindan, a Persian name for a prison, was one of the Sassanian Empire’s largest and significant fortresses. It lies about 80 km northeast of Baghdad or about 30 km from Baquba, the provincial capital of Diyala. More specifically, the Zindan is located about 12 km east of the city of Muqdadiyah, and near the village of Al-Jejan.  

Historically, the site was on the Great Khorasan Road, an inter-city network connecting Asia with the Middle East and further afield. The size of the Zindan, measuring 40,800 sqm in total, is commensurate with its significance as a key component in Sassanian security infrastructure provided along the Great Khorasan Road. The Zindan is considered as one of the facilities and extensions of the Sasanian Royal Capital City of Dastgird, located about 5.6km north of it. The brick-structure is 502m in length, 14.5m in width and 16m in height. It has 14 pillars or towers, of which 10 are still standing. 

Before the commencement of work  
After the commencement of work

The Zindan Archaeological Site is located in Diyala’s rich agricultural plain, in the middle of the Lower Diyala river basin, watered until recently by the Diyala River that flows into the country from Iran. In recent years, Iran has redirected its own water resources away from Iraq. The agricultural areas adjacent to the Zindan have consequently turned from a green, fertile land supporting a diverse and large crop output for Iraq’s population to ocherish fields of dry and increasingly fallow farms.  

In 2021, as director of the Diyala’s State Board of Antiquities and Heritage (SBAH) office, Ahmed Abdul Jabbar Khamas undertook a project to safeguard and research the Zindan. This was the first initiative to investigate the site since 1957-1958, when Robert McCormick Adams, an archaeologist-anthropologist, undertook a survey of the site and Diyala’s surrounding archaeology. That research and work to document Diyala’s archaeology was formative for a field that was increasingly using new methods of documentation, namely arial-based surveying. It is worth noting that work carried was out on the site by Mr. Claudius James Rich in 1820. Rich stated that this site could be a royal shrine. 

SBAH sought to protect the site by re-installing a previously damaged 2000m fence wall. That would be the first line of defence for safeguarding the site from vehicles and other infringements on the structure, not least by the expansion of farming. Khamas’ team would then unveil the structures of the Zindan by removing some 17,000 tonnes of material accumulated on the site over the past few centuries.  

Once that had been completed, the SBAH team were able to better understand the architectural structure of the Zindan, which was surveyed for documentation and further research. Several new structures within the site were discovered and some 68 artefacts were retrieved and submitted for cataloguing at the Iraq Museum in Baghdad. Throughout 2021 and 2022, a total of $300,000 was spent by SBAH on the project and 140 temporary workers, most from the district of al Muqdadiyah itself, where the Zindan is located, were employed. 

Workers from the nearby villages and towns in Diyala 

Work challenges included the presence of snakes and scorpions, posing a threat to workers on the site. The site itself is not connected to local electricity grids and water networks. Access roads are not paved, making it difficult to reach the site on rainy and muddy days. A service infrastructure would need to be implemented before the site can better welcome visitors. The site however is open to tourists and there are a growing number of residents, numbering on average 300 or so per week, from Diyala itself who are visiting the site. As of yet there are no information or educational panels.

The discovery of arches and Iwans at the Zindan.  
The original brick floors.  
 A view from inside the Zindan. 

The re-discovery of the Zindan by Iraqi heritage authorities and archaeologists marks a major turning point in the safeguarding, study and celebration of Iraq’s neglected Persian Empire heritage. Such Iraqi-led initiatives are central to strengthening the country’s own body of knowledge and research regarding its past and that of the wider region. Significantly, SBAH, led by Ahmed Khamas were also recently able to discover the Sassanian-era royal city of Khosrow that had been the residence of King Khosrow and his armies that would eventually, like the Zindan itself, be attacked and looted by the Byzantine Emperor Heraclious. Evidence of that attack on the Zindan are visible on its structures and walls and require further documentation and study. 

This Sassanian Empire era fortress also paved the way for SBAH Diyala to survey the historic site of Jalula, also on the Great Khorasan Road, where Islamic armies of the Rashidun Caliphate had defeated a Sassanian garrison that eventually led to the capture of historic Mosul and the spread of Islam in the region and into ancient Iran itself. The Zindan forms a central part of this story and could potentially be registered as a UNESCO World Heritage Site along with other key sites in the region. 

For connecting with communities, SBAH organised a cultural event that invited nearby villagers, farmers, government workers and other constituents of local society to an opening of the Zindan, which helped raise awareness of its historical significance and the work that had been conducted. 

A community event was organised to raise awareness of the site and to celebrate the completion of this initial phase of the project.

The heritage of the Zindan and the wider Diyala region is an assemblage of the histories of ancient Iraq, Iran and the Eastern Roman Empire, as well as the wider Muslim world. The Zindan as part of wider complex of archaeology could make for a superb educational and tourist location. The site is also potentially significant for historians of early Islam. 

Considering the site’s diverse and rich history, it could be a vector for Iranian archaeologists and historians to work with their counterparts in Iraq. This would help reverse or address decades long neglect in Iraq’s university system of the country’s Persian and Ottoman heritage past. New collaborations would be welcome, not least to build networks of research and knowledge within the region and help diversify Iraq’s body of archaeology. Such possible and productive research partnerships, formed around shared heritage sites, could help center knowledge production within the region. 

SBAH’s relatively small initiatives to invigorate a long-forgotten component of Iraqi cultural heritage bodes well for the construction of an Iraqi-oriented school of archaeology and history, not least one that is determined and shaped by Iraqis themselves. 

All photos were taken by Ahmed Abdul Jabbar Khamas. 

About Mehiyar

Dr Mehiyar Kathem is a researcher at University College London (UCL). Mehiyar completed a PhD at the School of Oriental and African Studies (SOAS) where he researched peacebuilding interventions and the formation of Iraq’s domestic NGO sector after the 2003 War. During this research, he looked at the gradual evolution of Iraq from totalitarian dictatorship through the country’s emerging domestic organisations. His research interests include statebuilding, civil society peacebuilding and the ways in which development, politics and money interact at a local level. In 2012 and 2013, Mehiyar conducted field research in Iraq for his PhD programme, spending a year meeting with and interviewing domestic NGO actors, political parties, government officials and international donors. Previously, Mehiyar worked on a number of grassroots programmes geared to build the capacity of civil society organisations and continues to advise international donors on the effective design and delivery of projects in Iraq. He tweets at @mehiyar

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