Kaynaşlı Population 2026

Kaynaşlı has a population of 20,379, making it the #342 biggest city in 🇹🇷 Türkiye, located in Düzce. It is about 770× smaller than Istanbul, the country's biggest city.

Location of Kaynaşlı (capital Ankara shown for reference). Boundaries: Natural Earth.

Population (city proper)

20,379

Rank in Türkiye

#342

Coordinates

40.77°N, 31.32°E

~362 m elevation · Europe/Istanbul

Distance to capital (Ankara)

161 km

100 miles, straight line

Other big cities in Düzce

City	Population	Rank in Türkiye
Düzce	194,097	#62
Akçakoca	35,151	#236

Cities near Kaynaşlı

Düzce194,097 people · ~15 km away
Bolu184,682 people · ~24 km away
Akçakoca35,151 people · ~39 km away
Alaplı20,890 people · ~46 km away
Hendek35,257 people · ~48 km away
Kocaali15,076 people · ~51 km away

FAQ

What is the population of Kaynaşlı?

Kaynaşlı has a population of 20,379 (city proper, latest official figure via GeoNames), making it the #342 biggest city in Türkiye.

What region is Kaynaşlı in?

Kaynaşlı is located in Düzce, Türkiye.

Is Kaynaşlı the capital of Türkiye?

No, the capital of Türkiye is Ankara, about 161 km away.

Sources & notes

Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.

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