Hieria modern Fenerbahçe, was a suburb of Byzantine

Byzantine Empire

The Byzantine Empire was the Eastern Roman Empire during the periods of Late Antiquity and the Middle Ages, centred on the capital of Constantinople. Known simply as the Roman Empire or Romania to its inhabitants and neighbours, the Empire was the direct continuation of the Ancient Roman State...

-era Constantinople

Constantinople

Constantinople was the capital of the Roman, Eastern Roman, Byzantine, Latin, and Ottoman Empires. Throughout most of the Middle Ages, Constantinople was Europe's largest and wealthiest city.-Names:...

 (modern Istanbul

Istanbul

Istanbul , historically known as Byzantium and Constantinople , is the largest city of Turkey. Istanbul metropolitan province had 13.26 million people living in it as of December, 2010, which is 18% of Turkey's population and the 3rd largest metropolitan area in Europe after London and...

, Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

). It is prominent in the city's history as the site of an imperial palace.

The name derives from Heraion akron (Greek: , "Cape of Hera

Hera

Hera was the wife and one of three sisters of Zeus in the Olympian pantheon of Greek mythology and religion. Her chief function was as the goddess of women and marriage. Her counterpart in the religion of ancient Rome was Juno. The cow and the peacock were sacred to her...

"), which was given in antiquity to a small promontory on the Asian

Asia

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

 shore of the Bosporus

Bosporus

The Bosphorus or Bosporus , also known as the Istanbul Strait , is a strait that forms part of the boundary between Europe and Asia. It is one of the Turkish Straits, along with the Dardanelles...

, opposite Chalcedon

Chalcedon

Chalcedon , sometimes transliterated as Chalkedon) was an ancient maritime town of Bithynia, in Asia Minor, almost directly opposite Byzantium, south of Scutari . It is now a district of the city of Istanbul named Kadıköy...

 (modern Kadıköy

Kadiköy

Kadıköy is a large, populous, and cosmopolitan district of İstanbul, Turkey on the Asian side of the Sea of Marmara, facing the historic city centre on the European side of the Bosporus...

). The Emperor Justinian I

Justinian I

Justinian I ; , ; 483– 13 or 14 November 565), commonly known as Justinian the Great, was Byzantine Emperor from 527 to 565. During his reign, Justinian sought to revive the Empire's greatness and reconquer the lost western half of the classical Roman Empire.One of the most important figures of...

 (r. 527–565) built a palace here, which included a harbour and a church dedicated to St. Mary. The palace, which survived at least until 1203, served as a summer residence for a number of Byzantine emperors, including Emperor Heraclius

Heraclius

Heraclius was Byzantine Emperor from 610 to 641.He was responsible for introducing Greek as the empire's official language. His rise to power began in 608, when he and his father, Heraclius the Elder, the exarch of Africa, successfully led a revolt against the unpopular usurper Phocas.Heraclius'...

 (r. 610–641) and Emperor Basil I

Basil I

Basil I, called the Macedonian was a Byzantine emperor of probable Armenian descent who reigned from 867 to 886. Born a simple peasant in the Byzantine theme of Macedonia, he rose in the imperial court, and usurped the imperial throne from Emperor Michael III...

 (r. 867–886), who added a chapel dedicated to the Prophet Elijah. Due to its location on the Asian side of the Bosporus, the palace often served as a reception point for triumphal returns of the Byzantine emperors from campaigns in the East. The iconoclastic "Council of Hieria

Council of Hieria

The iconoclast Council of Hieria was a Christian council which viewed itself as ecumenical, but was later rejected by the Eastern Orthodox and Roman Catholic Churches. It was summoned by the Byzantine Emperor Constantine V in 754 in the palace of Hieria opposite Constantinople. The council...

" took place in the palace in 754. Only a few traces of the original palace complex (the harbour breakwater, a cistern

Cistern

A cistern is a waterproof receptacle for holding liquids, usually water. Cisterns are often built to catch and store rainwater. Cisterns are distinguished from wells by their waterproof linings...

and funerary inscriptions) survive.