Istanbul's essential sights span more than a thousand years, and the dates are the first thing to absorb. This list opens with a mosque, museum and former church from AD 532, passes a lighthouse from 1110 and a historical tower from 1349, and ends at a food market from 1660. Several are part of UNESCO World Heritage Sites, and all of them are still in use, which is what changes how you plan. A palace museum that shuts on Tuesday, a mosque whose visiting hours come in three separate windows, a bazaar that keeps Sunday free: go by instinct and you will spend your time on the steps rather than inside. We put this list together for first-timers who want the big names done properly and for repeat visitors who want reasons to go back. Read the hours before the history. In this city, timing is what decides whether you get the building or the queue.
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1 Hagia Sophia
Ayasofya Meydanı, İstanbul, 34122One building that has been a church, a museum and a mosque
Dating from AD 532, Hagia Sophia is at once a mosque, a museum and a former church, and you can feel all three in the same room. It stands on Ayasofya Meydanı in the 34122 postal area and opens every day from 09:00 to 19:30. The first hour after opening is quieter than late morning, and the scale of the space reads better without a crowd. It is part of a UNESCO World Heritage Site, and the official museum page is worth checking before you set out. Dress as you would for any mosque, keep your voice down, and allow more time than you planned.
Dates from AD 532 · Part of a UNESCO World Heritage Site
Hours: Mo-Su 09:00-19:30
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2 Sultan Ahmed Mosque
Atmeydanı Caddesi, İstanbul, 34122The mosque better known as the Blue Mosque
The Sultan Ahmed Mosque, better known to most visitors as the Blue Mosque, opens in three windows: 08:30 to 12:15, 14:00 to 16:45 and 17:45 to 18:30. It dates from 1609 and stands on Atmeydanı Caddesi in the 34122 postal area. Arriving in the gaps and hoping to be waved through will waste the trip. Plan your day around the windows and you will spend your time inside, not on the steps. It is part of a UNESCO World Heritage Site, and it is a mosque before it is a sight, so cover your shoulders and knees, take your shoes off without being asked twice, and let the room set the pace.
Dates from 1609 · Part of a UNESCO World Heritage Site
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3 Topkapı Palace
Bâb-ı Hümâyûn Caddesi, İstanbul, 34122A palace from 1460 that is now a palace museum
On Bâb-ı Hümâyûn Caddesi in the 34122 postal area, Topkapı Palace is now a palace museum dating from 1460. It opens 09:00 to 18:00 on Monday and from Wednesday to Sunday, and closes on Tuesday. Do not squeeze it into a spare afternoon. A whole morning is the minimum, and arriving close to 09:00 gives you room to move between the courtyards before they fill. It is part of a UNESCO World Heritage Site, and the national palaces website is the official source to check before the day, not at the gate.
Dates from 1460 · Part of a UNESCO World Heritage Site
Hours: Mo, We-Su 09:00-18:00
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4 Süleymaniye Mosque
Profesör Doktor Sıddık Sami Onar Caddesi, 34116A UNESCO-listed mosque from 1550
Raised in 1550, Süleymaniye Mosque stands on Profesör Doktor Sıddık Sami Onar Caddesi in the 34116 postal area. It is a mosque in İstanbul and part of a UNESCO World Heritage Site, and if you have room for a single long, quiet visit, this is the one to choose. The locals prefer it to the more photographed stops, and once inside, the space feels like it belongs to the people who use it, not to the queue. Check its listing before you go, plan your visit around prayer times, and dress for a place of worship. Give it at least an hour and you will leave having seen something, not simply ticked it off.
Dates from 1550 · Part of a UNESCO World Heritage Site
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5 Galata Tower
Bereketzade Mahallesi, İstanbul, 34420A historical tower from 1349 that stays open until 20:30
In Bereketzade Mahallesi, postal area 34420, Galata Tower dates from 1349. It is a historical tower that opens from 09:00 to 20:30, and the long evening hours are the best argument for going later rather than earlier. Skip the midday slot, when everyone else has the same idea, and come in the last stretch before 20:30, when the day is winding down and there is less hurry in the air. Check the official museum page before you walk up to confirm the details. Treat it as an evening appointment, not something to fit in between lunch and the next stop, and it will repay the effort.
Dates from 1349
Hours: 09:00-20:30
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6 Grand Bazaar
Halıcılar Caddesi, 34126A bazaar that has been trading since 1455
Bring patience and comfortable shoes to Halıcılar Caddesi, 34126, where the Grand Bazaar has been trading since 1455. It opens Monday to Saturday from 9:00 to 19:00 and closes on Sunday, so don't save it for the last day of a trip that ends on a Sunday. Skip the first stall that calls to you at the entrance, walk further in, compare prices, and buy what you'd still want once the story of buying it has worn off. It is a bazaar in the oldest sense: you shop with conversation, not price tags. The official site is worth a look before you arrive.
Dates from 1455
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7 Maiden's Tower
Salancak, Üsküdar, İstanbulA lighthouse at the southern entrance of the Bosphorus
A lighthouse at the southern entrance of the Bosphorus, Maiden's Tower dates from 1110 and is listed at Salancak in Üsküdar. No other sight here ties the city so directly to its water. We'd skip the sunset scramble, with everyone else lined up and their phones in the air; a quieter hour gives you the same tower without the elbows. The official site is where to confirm visiting arrangements before you commit to the trip. Go for the setting, stay for the sense of a city that has always faced the sea, and leave the selfie stick at the hotel.
Dates from 1110
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8 Chora Church
Kariye Cami Sk., İstanbul, 34087A church converted into a mosque, part of a UNESCO World Heritage Site
Chora Church is a church converted into a mosque, and its two lives are the reason to come. It stands on Kariye Cami Sk. in the 34087 postal area, keeps hours of 09:00 to 18:00, and is part of a UNESCO World Heritage Site. Don't squeeze it between the headline stops; give it an unhurried hour of its own, ideally soon after 09:00, and look up more than you look at your phone. The official museum page is worth checking the night before you go so the visit itself stays simple.
Part of a UNESCO World Heritage Site
Hours: 09:00-18:00
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9 Basilica Cistern
Yerebatan Caddesi, İstanbulA cistern of Byzantine Constantinople
Every footstep echoes inside the Basilica Cistern, a cistern of Byzantine Constantinople. You find it on Yerebatan Caddesi, open every day from 09:00 to 19:00, and we'd come at 09:00, when the dim light and the stillness are the whole show and nobody is pushing behind you. This is the sight to save for a hot or wet day, since your time here does not depend on the weather. Walk slowly, let your eyes adjust, and resist the urge to film every column. The hour you give it will feel longer than its size suggests, and that is the point of coming.
Hours: Mo-Su 09:00-19:00
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10 İstiklal Avenue
İstiklal Caddesi, İstanbulBeyoğlu's avenue, walked end to end
İstiklal Avenue runs through Beyoğlu, and you come to walk it, not to tick it off. The street name is İstiklal Caddesi, which is what to type into a map or say to a driver. Don't bother with the shops on the main drag. Walk it for the crowd itself, the city at full volume, and turn off whenever a side street looks more interesting than the storefronts. Go once by day and once after dark, because they feel like two different streets. A visitor guide to the avenue gives you a starting point, but the best route is the one you make up as you go.
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11 Spice Bazaar
Tahmis Sokağı, İstanbulA food market from 1660 that also opens on Sunday
The Spice Bazaar, a food market on Tahmis Sokağı dating from 1660, trades from 08:00 Monday to Saturday and from 09:30 on Sunday until 19:00. Go early: the 08:00 opening is your best chance to browse at your own pace. Skip the gift-boxed assortments put together for the suitcase, and buy small amounts of what you will cook with at home, asking to taste before you pay. Because it opens on Sunday, this is the market to keep for that day, so build your Sunday around it rather than letting it fill a gap.
Dates from 1660
Hours: Mo-Sa 08:00-19:00; Su 09:30-19:00
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12 Rumeli Hisarı
Yahya Kemal Caddesi, İstanbulAn Ottoman castle from 1451
The Ottoman castle of Rumeli Hisarı, on Yahya Kemal Caddesi, dates from 1451, and opens from 09:00 to 17:00 Thursday through Tuesday, with Wednesday the one day it stays shut. The city's history does not end at the famous domes. Rumeli Hisarı is worth the journey out, and the journey is part of what makes the day feel different. Arrive well before 17:00 so you are not rushed, wear shoes with grip, and give it a full afternoon. The official museum page is the place to check before you go, especially if your plans fall near a Wednesday.
Dates from 1451
Hours: Th-Tu 09:00-17:00
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