Istanbul in European Turkey has been known by many names. Which one of these four names has never been used for this city?
Tsargrad (or Tsarigrad as an alternative Latin transliteration of the Cyrillic) is a Slavic name for the city of Constantinople, the capital of the Eastern Roman Empire, commonly known as the "Byzantine Empire". Tsarigrad / Tsargrad combines the Slavonic words tsar for "Caesar / Emperor" and grad for "city", it stood for "the City of the Caesar". Likewise "Constantinople" meant the city of Emperor (Caesar) Constantine the Great. The ancient name for the city was Byzantium; the present-day name is Istanbul. Iskenderun is a city far away in the Asian part of Turkey.