Istanbul: the first three or four nights of any Turkey trip

How many days do you need in Istanbul?

Three to four nights. That is the honest answer for a first visit, and it is the number the rest of a Turkey itinerary should be built around. Istanbul is not a city you "do" in a long weekend and tick off — but it is also not a place where a fifth and sixth day unlock something the first four did not, unless you have a specific interest.

A workable shape for three full days:

• Day one — Sultanahmet. Hagia Sophia, the Blue Mosque, the Basilica Cistern and Topkapı Palace sit within ten minutes of each other. That is a full day, and it is the most crowded day you will have.
• Day two — Galata and Beyoğlu. Cross the Galata Bridge, walk up to the tower, then İstiklal Caddesi and down through Karaköy. Finish with dinner somewhere with a view back at the old city.
• Day three — the water. A Bosphorus ferry north, lunch somewhere on the strait, then the Asian side at Kadıköy in the late afternoon.

Where to stay in Istanbul

Istanbul is enormous and the traffic is genuinely bad, so the neighbourhood matters more than the hotel. Three areas cover almost everyone:

Sultanahmet

The monuments are outside your door and you can be at Hagia Sophia before the tour groups. Quiet at night, and the restaurants are aimed squarely at visitors.

Galata / Karaköy

The best compromise. Walkable to the old city over the bridge, but with bars, coffee and restaurants that locals use. Hilly — check how far uphill your hotel really is.

Kadıköy (Asian side)

Cheaper, younger, excellent food, and a ferry commute that is a pleasure rather than a chore. Best on a repeat visit or a longer stay.

Wherever you land, check the hotel is genuinely walkable to a tram or metro stop. A place that looks central on a map but sits fifteen minutes uphill from the nearest station will quietly cost you an hour a day. If you are still weighing the whole trip's budget, the cost of a Turkey trip breaks down what accommodation actually runs in each region.

What to actually see

Hagia Sophia is the one unmissable building. It has been a cathedral, a mosque, a museum, and is a mosque again — and that layered history is legible in the room itself, with Byzantine mosaics and Islamic calligraphy sharing the same dome. It is an active place of worship: shoulders and knees covered, shoes off, and a headscarf for women.

Topkapı Palace rewards a timed ticket and a half-day. The Harem is a separate ticket and is the better half of the visit. The Basilica Cistern is short, cool and strange — an underground forest of columns — and works well as a break from the heat.

The Blue Mosque (Sultan Ahmed) is free, working, and beautiful, with the same dress rules. Check prayer times before you walk over; it closes to visitors around them.

Beyond the headline list, the two most rewarding hours in Istanbul are often unplanned: the streets of Balat, with their painted houses and antique shops, and the fish market lanes off Kadıköy.

The Bosphorus and the Asian side

You should get on the water at least once. The cheapest and best version is not a tour — it is a public ferry, paid for with the same Istanbulkart you use for the tram, running up the strait past the palaces and the fortress. A full Bosphorus cruise takes most of a day; the shorter commuter hops give you the same views in ninety minutes.

Crossing to Kadıköy costs almost nothing and takes twenty minutes. It is the single best-value thing you can do in the city: a different Istanbul, with the produce market, the bar streets around Kadife Sokak, and a skyline view back at the old city on the return trip.

Getting in from IST and SAW

Istanbul has two airports and they are on opposite sides of the city.

• Istanbul Airport (IST) — the big one, on the European side, well north of the centre. The M11 metro connects it to the city, and the airport bus network (Havaist) runs to the main districts. Allow an hour to the old city, more in traffic.
• Sabiha Gökçen (SAW) — on the Asian side, used heavily by low-cost carriers. The M4 metro now reaches it. If your hotel is in Sultanahmet, factor in a genuinely long transfer.

Book your onward domestic flight from whichever airport matches your hotel, not whichever is cheapest by a few pounds — crossing Istanbul to save twenty pounds is a bad trade. More on domestic routes in getting around Turkey.

Get an Istanbulkart from a machine at the airport or any station the moment you arrive. One card can be topped up and shared between travellers, and it covers the metro, tram, bus, funicular and ferries.

Eating well

The best rule in Istanbul is to eat away from the sights. A ten-minute walk from Sultanahmet halves the price and doubles the quality. Look for esnaf lokantası — everyday canteens with trays of home-style dishes behind glass, where you point at what you want.

Worth going out of your way for: a proper breakfast spread (serpme kahvaltı) somewhere that takes it seriously, balık ekmek by the water at Eminönü, and baklava from a dedicated shop rather than a restaurant dessert menu.