Basilica Cistern

Overview

Hidden beneath the vibrant streets of Istanbul, Turkey, lies the mystical Basilica Cistern, known locally as Yerebatan Sarayı, or 'Sunken Palace'. This monumental underground chamber offers a mesmerizing journey into Byzantine history. As the largest surviving ancient cistern beneath Istanbul, it spans an impressive area, supported by a 'forest' of 336 marble columns, creating an otherworldly atmosphere that enchants every visitor. Located just a short distance from the Hagia Sophia, it stands as a testament to the remarkable engineering prowess of the 6th-century Byzantine Empire.

History & Cultural Background

The Basilica Cistern was commissioned by Byzantine Emperor Justinian I in 532 AD, following the devastating Nika riots, to serve as a vital water reservoir for Constantinople. Its primary purpose was to supply water to the Great Palace, where the emperors resided, and other prominent buildings in the surrounding area, especially during times of siege. Historical texts suggest that the construction of this colossal undertaking involved a workforce of approximately 7,000 slaves. The cistern takes its name from the Stoa Basilica, a grand public square and basilica that once stood directly above it. After the Ottoman conquest of Constantinople in 1453, the cistern gradually fell into disuse as the new rulers preferred running water. It was largely forgotten until its 'rediscovery' in the 16th century by the Dutch scholar Petrus Gyllius, who found locals drawing water and even fishing from holes in their basements. Today, the Basilica Cistern is recognized as part of the 'Historic Areas of Istanbul', a UNESCO World Heritage Site since 1985, underscoring its immense cultural and historical value.

What Makes It Special

The most striking feature of the Basilica Cistern is its architectural grandeur. The vast subterranean space is supported by 336 marble columns, each standing approximately nine meters tall. These columns are arranged in 12 rows of 28, spaced about five meters apart, creating an illusion of endless corridors. Many of these columns are believed to have been repurposed from older structures across the Byzantine Empire, a practice known as 'spolia'. This is evident in their varied styles, including Ionic, Corinthian, and Doric capitals, with some lacking elaborate engravings. Among these columns, two stand out dramatically: their bases feature intricately carved Medusa heads. One is placed sideways, and the other is inverted. Another unique column is known as the 'Hen's Eye' or 'Weeping Column', adorned with carvings resembling tears, which some believe commemorate the slaves who died during the cistern's construction. Recent restoration efforts have enhanced the visitor experience, with new, light, transparent walkways installed over shallow water, allowing for an even more immersive exploration of this ancient wonder.

Stories, Fun Facts & Local Details

The Medusa heads, positioned mysteriously upside down and sideways, are perhaps the most famous and intriguing elements of the Basilica Cistern. Legends abound about their placement; some suggest it was to negate Medusa's power to turn onlookers to stone, while others believe they served as protective talismans or were simply repurposed decorative elements from a previous Roman building. The cistern's Turkish name, Yerebatan Sarayı ('Sunken Palace'), perfectly captures the awe-inspiring experience of wandering through its columned halls, resembling an underwater palace. Its captivating atmosphere has also drawn the attention of filmmakers and authors, famously appearing in the James Bond movie 'From Russia with Love' and featuring prominently in Dan Brown's novel 'Inferno'. The ingenuity of its design also included an extensive water supply system, bringing water via aqueducts from the Belgrade Forest, located 19 kilometers north of the city.

Visitor Perspective

A visit to the Basilica Cistern is an unforgettable sensory experience. As you descend the 52 stone steps into its cool, dimly lit interior, the sheer scale and tranquility of the space are immediately apparent. The atmospheric lighting, enhanced by recent restorations, illuminates the columns and reflects on the shallow water below, creating stunning visuals and an ethereal ambiance. The rhythmic repetition of the 336 columns, coupled with the subtle soundscapes, transports visitors back to a bygone era. The new walkways make for comfortable viewing, allowing visitors to appreciate the intricate details of the columns and the famous Medusa heads up close. Located in the heart of Istanbul's historic Sultanahmet district, the Basilica Cistern is conveniently within walking distance of other major attractions like the Hagia Sophia and the Blue Mosque, making it an ideal addition to any Istanbul itinerary. A typical visit usually takes between 30 minutes and an hour, offering a profound glimpse into Istanbul's layered history.