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Barcelona 🇪🇸
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Berlin 🇩🇪
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Hanoi 🇻🇳
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Istanbul 🇹🇷
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Porto 🇵🇹
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| Population | 5,585,556 | 3,400,000 | 8,053,663 | 15,520,000 | 237,559 |
| Official language(s) | Catalan, Spanish | German | Vietnamese | Turkish | Portuguese |
| Level of English | High | Very high | Moderate | Low | Very High |
| Main airport | Josep Tarradellas Barcelona-El Prat Airport (BCN) | Berlin Tegel (TXL) | Nội Bà i International Airport (HAN) | Istanbul Airport (IST) | Francisco Sá Carneiro International Airport (OPO) |
| Most common months to visit | April - June, September - November | May - September | January, February, October - December | April - June, September and October | May - September |
| Currency | EUR - Euro (€) | EUR - Euro (€) | VND - Vietnamese Dong (₫) | TRY - Turkish Lira (₺) | EUR - Euro (€) |
| Credit cards | Accepted almost evewhere | Accepted in some places but cash often preferred | Accepted in some places. Cash often preferred. | Accepted in most places | Accepted everywhere |
| Remote worker visa | Yes | Yes | No | No | Yes |
| Average monthly costs | $2384 | $2200 | $1167 | $659 | $1759 |
| Rent | $932 | $939 | $503 | $354 | $717 |
| Groceries | $121 | $188 | $151 | $44 | $148 |
| Dining out | $403 | $271 | $134 | $81 | $280 |
| Cafe | $45 | $57 | $39 | $18 | $45 |
| Coworking space | $213 | $174 | $72 | $49 | $96 |
| Mobile internet | $10 | $23 | $4 | $3 | $21 |
| Public transportation | $127 | $88 | $20 | $6 | $95 |
| Taxis | $48 | $58 | $13 | $6 | $25 |
| Shared bicycles and scooters | $24 | $17 | $0 | $2 | $10 |
| Sport and cultural events | $81 | $64 | $3 | $11 | $45 |
| Museums and sights | $33 | $37 | $4 | $15 | $24 |
| Nightlife | $112 | $63 | $89 | $22 | $66 |
| Gym | $81 | $66 | $57 | $9 | $56 |
| Yoga | $93 | $99 | $57 | $23 | $82 |
| Massage | $59 | $56 | $21 | $15 | $48 |
| SIM card options | Vodafone, Movistar | Deutsche Telekom, Vodafone | Viettel, Mobifone | Turkcell, Turk Telekom | Vodafone, MEO, NOS |
| Tipping | 5-10% in restaurants if service is exceptional, not expected elsewhere | Round up for restaurants, not common for bars and services | Not required but appreciated, especially in taxis, restaurants and bars. Round up or add 10%. | Tip 5-10% in restaurants, cafés and bars | 5-10% at restaurants if happy with service, not expected at cafes or bars |
| Taxi apps | Cabify, FreeNow | Mytaxi, Uber | Grab, GoViet | BiTaksi | Uber, MyTaxi, Cabify |
| Tap water | Drinkable | Drinkable | Not drinkable | Not drinkable | Drinkable |
| Overall cuisine | Catalan cuisine makes extensive use of Mediterranean vegetables, legumes mixed with pork in its many varieties, chicken and fish. Regularly mixes sweet and savory flavors in specific dishes. This cuisine is known for being bold in flavor and striking in color, with a variety of specific regional dishes found the culinary hub that is Barcelona. | Heavy and hearty meals with plenty of meat, potatoes and bread | A mix of French, Southeast Asian and Chinese with lots of fresh herbs and spices. Northern Vietnam cuisine includes a lot of fish and noodles. | A fusion of cultures creates diverse dishes with bulgur, koftes, stews, eggplants and fish | A variety of meats often mixed with fresh legumes and vegetables. Emphasis on rich seafood dishes and creamy desserts. |
| Local food specialities | Paella, bombas, esqueixada, pa amb tomáquet, escalivada, crema Catalana, gazpacho, chorizo | Currywurst, spätzle, königsberger klopse, schnitzel, eisbein, doner kebab, pretzels | Pho, cha ca, Vietnamese coffee, pastries and breads | Döner, İçli Köfte, Dondurma, Karnıyarık, Turkish delight | Bacalhau, Alheira de Mirandela, Francesinha, queido da serra da estrela, tripas a moda do Oporto, pasteis de chaves, tarte de amendoa |
| Eat like a local | Taverns, tapas bars, local markets, bodegas and street food spots | Brew pubs, cafes, bars, deli shops | Noodle Houses, Bakeries, Coffee and Tea Houses, street food | Traditional breakfasts, street stalls for simit, lahmacun and kokorec, Turkish coffee | Local taverns, terraces, markets, tascas, churrascarias and local sports bars |
| Vegetarian / vegan options | 98 options on HappyCow | 844 listings on Happy Cow | 104 listings on Happy Cow | 59 listings on Happy Cow | 46 options on Happy Cow |