Round Tower (Mardakan)

The Round Mardakan Fortress, also known as the Small Mardakan Castle (Azerbaijani: Dairəvi Mərdəkan qalası, Kiçik Mərdəkan qəsri; Persian: قلعه گرد مردکان, قلعه کوچک مردکان), is a significant historical and architectural monument situated in the Mardakan settlement of the Khazar district in Baku, Azerbaijan. Recognized for its distinctive circular design, the fortress is an exemplary representation of medieval military architecture on the Casian Sea coast. It holds a prestigious place on the UNESCO World Heritage Reserve List since 2001, alongside other coastal defense structures of the Caspian Sea, and is officially listed as a historical and cultural monument of world importance by the Azerbaijani government.

Historical background and construction

The castle's foundation dates back to the 13th century, specifically to the year 1232, as indicated by an inscription (kitabe) on the fortress's donjon. This inscription credits the construction to the Iranian architect Abdulmajid ibn Masud, commissioned by the Shirvanshah Fariburz III, a ruler of the Shirvan region during the High Medieval period. The fortress was part of a network of defensive structures intended to protect the region from coastal and inland threats.

Architectural design and features

Structural layout

The Round Mardakan Castle is classified as a hill castle, strategically positioned to oversee the surrounding landscape. The fortress's most striking feature is its circular central tower (donjon), which has a diameter of approximately 7.6 meters. This central tower is surrounded by powerful defensive walls that rise to about 7 meters in height. These walls are reinforced by blind towers at intervals, enhancing the fortress's defensive capabilities.

Construction materials and techniques

The construction utilized local limestone and lime mortar, materials typical of the region and period, providing both durability and resilience. The walls of the tower are notably thick, measuring about 2 meters at the base, which contributed to the fortress's ability to withstand sieges and attacks.

Interior design

Inside the tower, the space is divided into three tiers, each covered with stone flat domes. This tiered design not only supported structural stability but also allowed for the organization of different functional spaces within the tower. A noteworthy architectural detail is the presence of a sanitary niche with a drainage system integrated into the thickness of the third-floor wall, demonstrating advanced medieval engineering.

Military and strategic importance

The fortress served as a critical defensive point along the Caspian Sea coast, protecting the Shirvanshah's territories from maritime incursions and raids. Its elevated location and robust construction made it a formidable obstacle for any attacking force. The combination of a circular donjon and surrounding walls with blind towers reflects the military architectural trends of the High Medieval period in the Caucasus region.

Preservation and cultural significance

Today, the Round Mardakan Fortress remains well-preserved and accessible to visitors, offering valuable insights into medieval Azerbaijani fortification techniques and regional history. Its inclusion in the UNESCO list highlights its cultural heritage significance and the importance of preserving such monuments for future generations. The castle is a prominent example of the architectural ingenuity and strategic military planning of the Shirvanshahs era.

Visiting the fortress

Visitors to the fortress can explore the central tower and the surrounding defensive walls, observing the detailed masonry and the fortress's layout. The site provides panoramic views of the surrounding landscape, emphasizing its strategic vantage point. Interpretive signage and guided tours often accompany visits, enriching the visitor experience with historical context and architectural details.