Istanbul is a city of many empires that ruled here The Greek is the first settlers in Asian side led by Greek King BYZAS, It is a city consisting of three parts or divided into three parts and divided by two bodies of water
The Golden Horn and the Bhosphorus
The Golden Horn divides the European side in two parts, The Historical part Sultan Ahmed area has Roman Hippodrome while the Modern Area called Beyoglu while Phosphorus divides Europe and Asian side.The Asian Side is more on Business oriented background places such as big corporate companies, Public offices and Head Quarters Restaurants and Tourist places as well
People can choose their priority as follows:
The ideal first trip should be a stay of 5 nights at least but not everybody have time to stay longer
The pass costs 1.85TL and lasts for 120 hours. Aya Sofia (60TL), Topkapi Palace Museum (60TL) and the Harem Apartments (35TL), the Archaeological Museum (20TL) and the Chora Museums (45TL)
The public transport is easily available in all historical tourists area, you may find different categories of transport to choose from them such as Metro, Public Buses, Tram
If you are going to be moving around a lot, buy an Istanbul card. airport. The card will cost you 10TL remembering that each trip costs 2.60 TL each. You can use the one card for up to five people and can be used to take Buses, Metro and Tram, they are all public transportation, Also there is a Metro bus which has a special closed way extending from the Asian Side to the European Side and it costs, 3.85TL
There are three main telecom companies. Turk cell is one of the biggest cell net providers closely followed by Vodaphone and Turk telecom ( Avea) . Prepaid Sims are available everywhere.
I am big Believer of staying as long as .The ideal first trip should be a stay of 5 nights at least but not everybody have time to stay longer but we need to prioritize in case you are staying for short ,like where to stay ,what to see and son on.