Comparison
TR · Turkey

Istanbul

15,655,924 residents41.01°, 28.96°
KR · South Korea

Seoul Capital Area

24,105,000 residents37.57°, 126.98°

Istanbul is slightly warmer than Seoul Capital Area; Istanbul is noticeably drier than Seoul Capital Area.

01 · Basics

At a glance

Population
15,655,924
24,105,000
Metro populationno data
Area (km²)
5,343
12,685
Density (per km²)no data
Elevation (m)
100
no data
02 · Climate

Weather, month by month

Solid lines are monthly highs, dashed lines are lows (°C).
Istanbul high low Seoul Capital Area high low
Istanbul vs Seoul Capital Area monthly temperature-10°-5°10°15°20°25°30°35°JFMAMJJASOND
Avg annual temp (°C)
15.4
12.2
Annual rainfall (mm)lower is better
743.4leads
1,210.5
Sunny days per yearno data
06 · Vibes

What locals say

Synthesized from upvoted comments on each city's subreddit.
Istanbul

Living in Istanbul means daily life is layered with history, congestion, and constant visual drama. People who live here seem to move between beautiful waterfronts, old neighborhoods, crowded transit, and a cityscape that many both love and complain is being overbuilt. The city feels energetic and sociable, with a lot of casual help from strangers, but also prone to friction around traffic, taxis, crowds, and occasional safety concerns. At its best, it feels like a place where there is always something to see, eat, or photograph; at its worst, it can be exhausting, loud, and messy.

Common complaints
  • Traffic, taxis, and transit friction4
  • Overdevelopment / ugly new buildings3
  • Crowding in tourist and transport areas3
  • Safety and harassment concerns3
  • Earthquake anxiety and city vulnerability2
Common praises
  • Beautiful scenery and waterfront views6
  • Cats and animal-friendly street life4
  • Friendly, helpful locals4
  • Energy and vibrancy4
  • Food quality and variety4

“there is always something new to experience here. and there are always new ways to capture beautiful pictures of the city”

r/istanbul· 1654 votes

“Great city , ruined by taxis behavior”

r/istanbul· 21 votes
Seoul Capital Area

Living in the Seoul Capital Area usually means constant access to transit, dense amenities, and a pace that feels efficient but crowded. Most errands can be done quickly because neighborhoods are packed with shops, cafés, convenience stores, and 24-hour services, but that convenience comes with noise, congestion, and a lot of time spent moving through busy public space. The food, cafés, and nightlife are a major part of daily life, and even ordinary weekdays can feel lively compared with many global metro areas. At the same time, the region can feel expensive, competitive, and emotionally reserved, so the experience often mixes excitement and convenience with pressure and friction.

Common complaints
  • Crowding and congestion3
  • High housing costs3
  • Work and school pressure2
  • Noise and lack of personal space2
  • Weather extremes and seasonal discomfort2
Common praises
  • Excellent transit and connectivity4
  • Food variety and convenience4
  • Safety and orderliness3
  • Constant activity and amenities3
  • Efficient services and infrastructure2
07 · Culture

Food & nightlife

Istanbul
Food

Istanbul’s food scene comes across as abundant, cheap-to-midrange, and hard to stop sampling. Posts mention iskender kebap, kokoreç sandwiches, baklava, lokum, künefe, kabak tatlısı, and endless tea breaks, with many visitors leaving full and slightly overwhelmed. Neighborhood food culture seems very local and specific: people name particular places in Kadıköy or random street-side snacks rather than talking about polished fine dining. The tone suggests that eating here is part of daily rhythm, not just a special outing, and that even short trips revolve around trying one more dish.

Nightlife

Nightlife seems energetic and late-running rather than sleek or orderly. One recurring note is that the city still feels vibrant at 2 a.m., with people praising the chaos and energy instead of expecting quiet, controlled evenings. The mood appears mixed: lively districts like Kadıköy and Taksim draw crowds, street life, and photos, but the same places can also generate complaints about disorder, harassment, and general intensity. Overall, nightlife reads as social, spontaneous, and very urban, with more emphasis on hanging out, eating, walking, and people-watching than on a single club scene.

Seoul Capital Area
Food

The Seoul Capital Area has one of the most convenient and varied everyday food scenes in Asia, with something open almost everywhere and at almost any hour. Korean staples like gukbap, noodles, fried chicken, barbecue, mandu, and stew-based meals are built into daily routine, while cafés, bakeries, and dessert shops are nearly as central as restaurants. The range is broad: cheap lunch counters, office-district set meals, 24-hour convenience-store snacks, and polished dining all coexist within short transit rides. For residents, the biggest advantage is not just quality but accessibility—you can eat well without planning far ahead.

Nightlife

Nightlife in the Seoul Capital Area is active, neighborhood-specific, and heavily linked to food and drinking rather than just clubs. Many evenings start with dinner, then move to bars, karaoke rooms, late-night cafés, or 24-hour fried chicken and soju spots, with a strong after-work social culture in business districts. There are clubbing areas and late parties in certain neighborhoods, but a lot of the nightlife is more casual and group-oriented than purely scene-driven. The city also supports very late movement thanks to transit and taxis, though the experience can be crowded and loud in popular areas.

08 · Reality check

Weather vs. what locals say

Istanbul
By the numbers

How locals feel

The weather is described less in statistics and more through atmosphere. Visitors mention cold, cloudy, rainy stretches that do not stop them from enjoying the city, and the Bosphorus and blue water are repeatedly linked to a sense of freshness and relief. Rather than focusing on heat or temperature averages, people describe how weather changes the mood of the city: gray days can feel dramatic, while clear dawns and water views make Istanbul seem bright and alive. The overall sentiment is that the city’s weather is variable, but the scenery often compensates.

Seoul Capital Area
By the numbers

How locals feel

On paper, the region’s weather can look straightforward, but locals usually talk about it in terms of discomfort and extremes rather than averages. Summers are remembered for humidity, heat, and heavy rain periods, while winters are associated with dry cold and sharp wind that makes the air feel harsher than the temperature suggests. Spring and autumn are often praised, but they can be brief and affected by yellow dust or sudden temperature swings. The result is that many residents describe the climate as manageable but not especially pleasant for long stretches of the year.

09 · Summary

In short

  • Istanbul is slightly warmer than Seoul Capital Area.
  • Istanbul is noticeably drier than Seoul Capital Area.
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