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Berlin 🇩🇪
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Buenos Aires 🇦🇷
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Hanoi 🇻🇳
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Istanbul 🇹🇷
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Sofia 🇧🇬
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| Population | 3,400,000 | 2,900,000 | 8,053,663 | 15,520,000 | 1,270,169 |
| Official language(s) | German | Spanish | Vietnamese | Turkish | Bulgarian |
| Level of English | Very high | High | Moderate | Low | High |
| Main airport | Berlin Tegel (TXL) | Ministro Pistarini International Airport (EZE) | Ná»™i BÃ i International Airport (HAN) | Istanbul Airport (IST) | Sofia International Airport (SOF) |
| Most common months to visit | May - September | September - December | January, February, October - December | April - June, September and October | April-June, September-October |
| Currency | EUR - Euro (€) | ARS - Argentine Peso ($) | VND - Vietnamese Dong (₫) | TRY - Turkish Lira (₺) | BGN - Bulgarian Lev (лв) |
| Credit cards | Accepted in some places but cash often preferred | Accepted everywhere. (ID required!) | Accepted in some places. Cash often preferred. | Accepted in most places | Accepted everywhere |
| Remote worker visa | Yes | No | No | No | No |
| Average monthly costs | $2200 | $1321 | $1167 | $659 | $1289 |
| Rent | $939 | $844 | $503 | $354 | $567 |
| Groceries | $188 | $98 | $151 | $44 | $10 |
| Dining out | $271 | $121 | $134 | $81 | $227 |
| Cafe | $57 | $25 | $39 | $18 | $27 |
| Coworking space | $174 | $95 | $72 | $49 | $140 |
| Mobile internet | $23 | $11 | $4 | $3 | $10 |
| Public transportation | $88 | $9 | $20 | $6 | $30 |
| Taxis | $58 | $9 | $13 | $6 | $12 |
| Shared bicycles and scooters | $17 | $14 | $0 | $2 | $40 |
| Sport and cultural events | $64 | $24 | $3 | $11 | $18 |
| Museums and sights | $37 | $4 | $4 | $15 | $12 |
| Nightlife | $63 | $23 | $89 | $22 | $82 |
| Gym | $66 | $14 | $57 | $9 | $23 |
| Yoga | $99 | $19 | $57 | $23 | $62 |
| Massage | $56 | $10 | $21 | $15 | $29 |
| SIM card options | Deutsche Telekom, Vodafone | Movistar, Claro, Personal | Viettel, Mobifone | Turkcell, Turk Telekom | A1, Telenor, Vivacom |
| Tipping | Round up for restaurants, not common for bars and services | 10% at restaurants and cafés is common, not common at bars | Not required but appreciated, especially in taxis, restaurants and bars. Round up or add 10%. | Tip 5-10% in restaurants, cafés and bars | 10% in restaurants, 1-2 BGN at bars and cafés |
| Taxi apps | Mytaxi, Uber | Uber (not official), Cabify, BA Taxi (Spanish only) | Grab, GoViet | BiTaksi | TaxiMe, TaxiStars |
| Tap water | Drinkable | Not drinkable | Not drinkable | Not drinkable | Not drinkable |
| Overall cuisine | Heavy and hearty meals with plenty of meat, potatoes and bread | Argentinian style with an emphasis on red meats, pastries, and Italian-inspired options | 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 | Vegetables and mild spices are often mixed with dairy products to create rich chicken and pork products. Seafood dishes also popular in some regions of the country, making them popular in the capital. |
| Local food specialities | Currywurst, spätzle, königsberger klopse, schnitzel, eisbein, doner kebab, pretzels | Asado, empanadas (Argentinian style), locro, milanesa napolitana, facturas and alfajores | Pho, cha ca, Vietnamese coffee, pastries and breads | Döner, İçli Köfte, Dondurma, Karnıyarık, Turkish delight | Kebapche, Bulgarian musaka, lyutenitsa, shkember chorba, kyufte, kavarma, banitsa and tarator |
| Eat like a local | Brew pubs, cafes, bars, deli shops | Local restaurants serving asados grill-to-dish (Parrillas), markets (San Telmo, Recoleta) and local cafés for maté and facturas | Noodle Houses, Bakeries, Coffee and Tea Houses, street food | Traditional breakfasts, street stalls for simit, lahmacun and kokorec, Turkish coffee | Taverns, local BBQ restaurants, local markets and smaller eateries in residential and university areas. |
| Vegetarian / vegan options | 844 listings on Happy Cow | 79 options on Happy Cow | 104 listings on Happy Cow | 59 listings on Happy Cow | 20 options on HappyCow |