😄 Fun & Interesting Facts About İstanbul
• İstanbul has over 2,000 Byzantine-era churches, many of which have been converted into mosques or other structures.
• The city is home to the world's oldest known hospital, the Haseki Hürrem Sultan Hospital, dating back to 1468.
• İstanbul has the most ancient known Opera House in the world, the Öztürk Opera House, built in 1793.
• While not technically a city flower, the yellow tulip is a common sight in İstanbul, particularly during the springtime.