In the morning, when it was not quite so hot yet, we took part in a Bosporus boat trip, which offered a unique view of Istanbul, the huge bridges and villas. There are both the cheapest excursion ships, and unique private boats, with which everything can be inquired.
Then we continued by bus to the Topkapi Palace - at the former seat of government some rooms with exhibitions around the large garden can be visited today and by the elevated position there are fabulous view points over the Bosporus.
From here we continued on foot to the Hagia Sophia, which was originally built as a church, then used as a mosque and later also as a museum and today again serves as a mosque. Within walking distance is the Blue Mosque, or Sultan Ahmed Mosque, which is currently being renovated but still worth seeing! Women have to cover their legs, shoulders and head when entering the mosque, everything they need is available on site free of charge.
Also nearby is the Hippodrome, a former horse racecourse, where today in the Ramadan period old and young meet at sunset. Shopping enthusiasts should plan at least half a day here.
We were some hours between the Galat Tower, which is walkable and offers a great view over Istanbul, and the Taksim Square (approx. 2 km), where countless shops and restaurants cavort. Some time is also needed for the Great Bazaar, because here you can find everything your heart desires: spices, leather goods, jewellery and clothes. Trading is expected and is welcome!