From Rome to Modern Istanbul: A Cradle of Civilizations

A City Shaped by Geography and History

Istanbul is not just a city; it is a meeting point of geography, history, and humanity. Located between Europe and Asia, this ancient city has been admired and contested for centuries. It controlled major trade routes, connected continents, and became a place where cultures met and blended. From Rome to Byzantium, from the Ottoman Empire to modern Turkey, Istanbul’s long story truly makes it a cradle of civilizations.

Rome’s Gateway to the East: From Byzantion to Constantinople

The story of Istanbul begins in the 7th century BC with Byzantion, founded by Greek settlers from Megara. The city’s destiny changed forever in AD 330, when Roman Emperor Constantine the Great chose it as the new capital of the Roman Empire. From that moment on, the city was known as Constantinople.

This decision was not accidental. The city’s position on the Bosphorus allowed control over sea trade between the Black Sea and the Mediterranean. At the same time, major land routes passed through the region. For the Roman Empire, Constantinople became a key center of military power, trade, and administration.

The Heart of Byzantium: Administration, Faith, and Urban Life

During the Byzantine period, Constantinople was more than an imperial capital. It became a model of urban administration and cultural life. Under Emperor Theodosius II (AD 408–450), the city was officially divided into fourteen administrative districts (Regio I–XIV), following Roman traditions of city planning.

This system helped organize population, public buildings, infrastructure, and services. It reflects a highly advanced understanding of urban management and shows how carefully the city was planned during Late Antiquity.

Preserving the Memory of a City: The Constantinople Engraving

Many centuries later, this administrative structure inspired one of the most fascinating visual documents of the city’s past.

In the early 18th century, the German historian David Köhler set out to reconstruct important cities of the ancient world using classical written sources, especially the Notitia Urbis Constantinopolitanae. One of the finest results of this scholarly work is the engraving showing Constantinople divided into its fourteen districts during the reign of Theodosius II.

The engraving was transferred onto copperplate by the renowned Nuremberg engraver and publisher Christoph Weigeland published as part of the atlas Descriptio Orbis Antiqui (1718–1725). Rather than showing Ottoman or modern Istanbul, the map presents the city through a Roman and Byzantine administrative vision.

In the corner of the map, the allegorical figure of the city goddess Constantinopolis symbolizes the political and cultural importance of the imperial capital. Original hand colouring, a finely engraved compass rose, and a balanced composition reflect the high artistic standards of early 18th-century European cartography. This engraving is not just a map; it is a visual gateway into the ancient memory of Istanbul.

18th-century engraving of Constantinople by David Köhler and Christoph Weigel, illustrating the Roman and Byzantine administrative division of the city into fourteen regions during the reign of Emperor Theodosius II.

Ottoman Istanbul: Continuity and Transformation

With the Ottoman conquest in 1453, Constantinople became Istanbul, the capital of a new empire. Yet the city was not rebuilt from nothing. Roads, aqueducts, and much of the urban structure inherited from Roman and Byzantine times continued to shape the city.

Landmarks such as Hagia Sophia were transformed, new mosques and complexes were built, and Istanbul became one of the most important cities of the Islamic world. This period shows a rare example of continuity through transformation, where each civilization added new layers without erasing the old ones.

Modern Istanbul: Geography That Never Lost Its Power

Today, Istanbul is a modern metropolis with a population of over sixteen million. Yet its geographical importance remains unchanged. The Bosphorus is still one of the world’s most strategic waterways, and the historic peninsula continues to carry the visible layers of its long past.

The city once chosen as a capital by Rome, shaped by Byzantium, and transformed by the Ottomans still lives on through maps, engravings, and historical records. Works such as the Constantinople engraving by Köhler and Weigel remind us that Istanbul is not only a place, but a bridge across time.

Istanbul: A True Cradle of Civilizations

What makes Istanbul truly unique is not only its history, but the continuity of that history. From Rome to Byzantium, from the Ottoman Empire to the present day, the city has remained a center where civilizations were born, developed, and passed on to one another.

When we look at an antique engraving today, we do not see a forgotten past. We see the deep roots of a living city. That is why Istanbul holds a special place not only on maps, but in the shared history of humanity.

—

The Constantinople engraving featured in the Agora Old Prints and Maps collection offers a rare visual insight into the Roman and Byzantine urban structure of Istanbul and remains a valuable reference for collectors and history enthusiasts alike.