Quick Answer
Istanbul is Turkey’s biggest city — population 16 million, the only city straddling two continents (Europe + Asia, divided by Bosphorus). 2,700 years history. Capital of Roman Empire (Byzantium 330-1453), Ottoman Empire (1453-1922). Top sights: Hagia Sophia (Ayasofya) (537 AD — Christian cathedral, then mosque, now mosque again since 2020 — free entry, dress modestly), Blue Mosque (Sultan Ahmed Mosque) (1616 — 6 minarets, blue tiles interior — free), Topkapi Palace (Ottoman sultans’ residence 400 years, harem + treasures + Mehmed II sword — €30), Basilica Cistern (532 AD — underground Roman water reservoir with Medusa-head columns — €32), Grand Bazaar (1461 — 4,000 shops, world’s largest covered market), Spice Bazaar (1664 — Egyptian Bazaar), Bosphorus cruise (2-hour public ferry — best Istanbul views), Galata Tower (1348 — 67m panoramic), Süleymaniye Mosque (1557 — Sinan’s masterpiece). Districts: Sultanahmet (historic), Beyoğlu/Pera (European), Karaköy/Galata (hip), Asian side Kadıköy (local). Days needed: 4-5. Currency: TRY. Visa: e-visa $50.
Sultanahmet — historic peninsula
- UNESCO 1985: historic peninsula. Most monuments here.
- Hagia Sophia (Ayasofya): 537 AD by Justinian. Largest church for 1,000 years. Mosque 1453. Museum 1934. Mosque again 2020. FREE entry. Dress modestly. Closed during prayer 5 daily.
- Blue Mosque (Sultan Ahmed Mosque): 1616. 6 minarets (controversial — only Mecca had 6 then). 20,000 İznik tiles inside. FREE. Dress modestly. Closed prayer.
- Hippodrome of Constantinople: Roman chariot stadium. Now Sultanahmet Square. Egyptian obelisk + Serpent Column + German Fountain.
- Basilica Cistern (Yerebatan Sarnıcı): 532 AD underground Roman water reservoir. 9,800m² with 336 columns. Medusa-head columns at base. Mood-lit. Atmospheric. €32.
- Topkapi Palace: Ottoman sultans 1465-1856. 400 years. Harem (€10 extra). Treasury — Spoonmaker’s diamond, Topkapi dagger. Holy Relics — Mohammed’s mantle + sword. €30.
- Archaeological Museum: Alexander Sarcophagus + Treaty of Kadesh (oldest peace treaty 1259 BC). €13.
- Sultanahmet stay: Four Seasons + Sirkeci Mansion + Hotel Amira. Historic atmosphere but touristy + crowded.
Bazaars — shopping legends
- Grand Bazaar (Kapalı Çarşı): 1461 — world’s oldest + largest covered market. 4,000 shops, 60 streets, 25,000 employees.
- Sub-bazaars within: Cevahir Bedesteni (jewelry), Sandal Bedesteni (carpets + textiles), Iç Bedesten (antiques).
- What to buy: Turkish carpets + kilims (haggle hard!), gold + silver jewelry, lanterns, Iznik tiles, leather, spices, Turkish delight.
- Haggling essential: start at 30-40% of asked price. Walk away if not happy. Smiling + tea-drinking expected.
- Spice Bazaar (Mısır Çarşısı): 1664 — Egyptian Bazaar (built with revenue from Egypt). Smaller, near Eminönü ferry. Spices + nuts + Turkish delight + saffron.
- Open Mon-Sat: closed Sundays.
- Best buys outside bazaars: spice shops in Eminönü area sell same goods cheaper.
- Authentic vs replica carpet: hand-knotted + natural dye + irregularities = real. Synthetic + perfectly symmetric + bright colors = factory replica.
Bosphorus + ferries
- Bosphorus strait: 32 km divides Europe + Asia. Connects Black Sea + Marmara Sea.
- Public ferry tour: Şehir Hatları operates 2-hour cruise (TRY 75 = €2). Eminönü → Anadolu Kavağı + return. Full day with lunch.
- Private cruises: €25-100. Shorter + with commentary. Less authentic.
- Eminönü ferry pier: hub. Take ferry to Kadıköy (Asian side, 20 min, €0.50) or Üsküdar.
- Bosphorus Bridge (now 15 July Martyrs Bridge): 1973. First link Europe-Asia.
- Fatih Sultan Mehmet Bridge: 1988. 2nd bridge.
- Yavuz Sultan Selim Bridge: 2016. 3rd, north.
- Bosphorus seaside palaces: Dolmabahçe (1856 — last Ottoman palace, €50), Beylerbeyi (1865), Çırağan (now hotel), Yıldız.
- Anadolu Kavağı village: end of public ferry. Lunch at fish restaurants. Yoros Castle Byzantine ruins.
- Boğaz Köprüsü: Bosphorus Bridge area. Iconic photo spot.
Beyoğlu + modern Istanbul
- Beyoğlu district: European-feel. Historic Pera (now Beyoğlu) was Christian quarter for foreigners.
- Galata Tower: 1348 by Genoese. 67m. 360° views. €30. Lift available.
- Istiklal Caddesi: 1.4 km pedestrian street. Vintage red tram. Shopping + cafés + nightlife.
- Pera Museum: Suna + İnan Kıraç Foundation. Anatolian + Ottoman art. Open until 7pm. €5.
- Istanbul Modern: reopened 2023 in new Renzo Piano building. Contemporary Turkish + international art. €17.
- Karaköy: hip rebranded harbour district. Karaköy Güllüoğlu (baklava 1843), Karaköy Lokantası, art galleries.
- Cihangir: bohemian. Cafés, indie shops, expat-friendly.
- Taksim Square: central plaza. Republic Monument. Atatürk Cultural Centre (rebuilt 2021).
- Çukurcuma + Galip Dede Caddesi: antiques + crafts.
- Nightlife: Beyoğlu rooftop bars. 360 Istanbul, Mikla, Litera, Banyan.
Asian side (Kadıköy + Üsküdar)
- Asian side: 65% of Istanbul population live here. Less touristy + more local.
- Kadıköy: hip neighborhood. Çiya Sofrası restaurant (Anatolian regional), Salı Pazarı food market Tuesday + Friday, vinyl record shops, indie cafés.
- Moda neighborhood: coastal walk. Sunset over Sea of Marmara. Cafés.
- Üsküdar: traditional + religious. Maiden’s Tower (Kız Kulesi) on small island.
- Maiden’s Tower (Kız Kulesi): 18th-c. tower. Now restaurant. Boats every 30 min from Üsküdar pier €5.
- Çamlıca Hill: highest point Istanbul (288m). 360° city view.
- Çamlıca Mosque: 2019 — largest mosque in Turkey. Free.
- Bağdat Caddesi: upscale shopping street.
- Princes’ Islands ferries: 9 islands in Sea of Marmara. Adalar district. 1.5h ferry. Car-free, horse carriages. Day trips popular.
Other top mosques
- Süleymaniye Mosque: 1557 by architect Mimar Sinan. Süleyman the Magnificent’s mosque. Free. Largest in Istanbul.
- Rüstem Pasha Mosque: 1561. 80m². Tiles by Sinan. Cozy.
- New Mosque (Yeni Camii): 1665 in Eminönü. Free.
- Eyüp Sultan Mosque: 16th-century. Final resting place of Eyüp Sultan (Mohammed’s standard-bearer). Pilgrimage site.
- Çamlıca Mosque (Asian side): 2019. Largest mosque Turkey.
- Mosque etiquette: dress modestly (covered shoulders + knees + women head scarf), remove shoes, no photos during prayer, women + men separate sections.
- Dress code stricter: Hagia Sophia + Blue Mosque since 2020 conversion. Free coverings provided at some.
Sample 4-day itinerary
- Day 1: Sultanahmet. Hagia Sophia + Blue Mosque + Topkapi Palace + Basilica Cistern + Hippodrome. All within 500m.
- Day 2: Bazaars + Eminönü. Grand Bazaar (3-4 hours) + Süleymaniye Mosque + Spice Bazaar + lunch at fish sandwich Eminönü + Galata Bridge sunset.
- Day 3: Bosphorus + Beyoğlu. Public ferry Bosphorus cruise (full morning) + Galata Tower + Istiklal Street + dinner Karaköy.
- Day 4: Asian side + Princes’ Islands. Ferry Eminönü-Kadıköy (20 min). Çiya Sofrası lunch + Maiden’s Tower OR Princes’ Islands day trip.
- Day 5: Pera Museum + shopping + relaxed last day.
Practical info
- Getting there: Istanbul Airport (IST) main hub. From centre: M11 metro 35 min. Sabiha Gökçen (SAW) Asian side secondary.
- Public transport: Istanbulkart €2 + €0.40 per ride. Metro + tram + bus + ferries + funiculars all integrated.
- Bosphorus public ferry: €0.40 each way. CHEAPEST best activity in Istanbul.
- Currency: Turkish lira (TRY). High inflation — €1=37 TRY 2025. Prices fluctuate.
- Visa: e-visa $50 for many nationalities. Apply online evisa.gov.tr.
- Best time: April-June + September-October. AVOID July-August (35°C+, crowded). Avoid Ramadan if you want full restaurant openings.
- Stay: Sultanahmet for sights. Beyoğlu for nightlife. Karaköy for hip. Avoid: Aksaray, Laleli (cheap but rough).
- Languages: Turkish. English in tourism.
- Tipping: 10% restaurants. Round up taxis.
- Safety: generally safe. Pickpockets in tourist areas + train stations. Scams: free shoeshine men, “carpet shop friend” lures.
Frequently Asked Questions
Top 5 Istanbul sights?
1. Hagia Sophia (537 AD — now mosque, free). 2. Blue Mosque (1616 — 20K Iznik tiles, free). 3. Topkapi Palace (Ottoman sultans 400 years). 4. Basilica Cistern (532 AD underground). 5. Bosphorus public ferry cruise (€0.40 — cheapest best activity).
How long for Istanbul?
4-5 days. Day 1 Sultanahmet (Hagia Sophia + Blue Mosque + Topkapi). Day 2 Bazaars + Süleymaniye. Day 3 Bosphorus + Galata + Beyoğlu. Day 4 Asian side. Day 5 Princes’ Islands or Pera Museum.
Hagia Sophia mosque or museum?
Mosque since 2020 (was museum 1934-2020). Christian cathedral 537-1453. Mosque 1453-1934. Free entry. Closed during 5 daily prayers. Dress modestly (head scarf women, covered shoulders/knees all).
Best Istanbul Bosphorus cruise?
Public Şehir Hatları ferry €0.40 + €2 Bosphorus tour 2 hours = best value. Eminönü-Anadolu Kavağı round trip + lunch in Anadolu Kavağı. Private cruises €25-100 shorter + commented but tourist-targeted.
Grand Bazaar haggling?
Essential. Start at 30-40% of asked price. Walk away if too high. Smiling + accept tea expected. Carpets + jewelry biggest haggle. Buy in side streets/shops outside bazaars for cheaper prices on same goods (especially spices).
Istanbul vs Bangkok?
Both Asian-Western fusion + bazaars + street food + 24/7 energy. Istanbul: 2,700 years history, mosques + Byzantium, Mediterranean cuisine, more compact. Bangkok: more chaos + less history but cheaper + warmer year-round. Both deserve 4-5 days.
Recommended on Amazon
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- Lonely Planet Istanbul — detailed city guide.
- Turkish phrasebook — travel essentials.
- Travel adapter Type F — European-style plug.