Istanbul is one of the world’s most impressive cities. Straddling two continents, this ancient capital has seen the rise and fall of many a civilisation and it’s now home to a whopping 20 million people (give or take a few million!). It’s no wonder that Istanbul is Turkey’s largest and most visited city, but as a tourist it can be a little overwhelming simply because there is so much to see. Byzantine cathedrals, peaceful island escapes, underground cisterns, ancient bazaars