Overview
Istanbul previously known in the past as Byzantium and Constantinople. It is the most popular city in Turkey and economic.Its Old City reflects cultural influences of the many empires that once ruled here. In the Sultanahmet district, the open-air, Roman-era Hippodrome was for centuries the site of chariot races, and Egyptian obelisks also remain. The iconic Byzantine Hagia Sophia features a soaring 6th-century dome and rare Christian mosaics. Istanbul is known for rich islamic history. The blue mosque that was built in 17th century is the most popular attraction for the tourists.
