Adapazarı Population 2026

Adapazarı has a population of 286,787, making it the #46 biggest city in 🇹🇷 Türkiye, located in Sakarya. Roughly 0.3% of Türkiye's population lives here. It is about 55× smaller than Istanbul, the country's biggest city.

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

Population (city proper)

286,787

Rank in Türkiye

#46

Coordinates

40.78°N, 30.40°E

~34 m elevation · Europe/Istanbul

Distance to capital (Ankara)

229 km

142 miles, straight line

Other big cities in Sakarya

City	Population	Rank in Türkiye
Karasu Mahallesi	39,508	#214
Hendek	35,257	#233
Karasu	30,746	#256
Sapanca	25,224	#293
Akyazı	25,068	#297
Ferizli	23,740	#311
Geyve	20,199	#343
Kocaali	15,076	#410

Cities near Adapazarı

Sapanca25,224 people · ~15 km away
Ferizli23,740 people · ~19 km away
Akyazı25,068 people · ~21 km away
Hendek35,257 people · ~29 km away
Geyve20,199 people · ~32 km away
Kandıra16,264 people · ~38 km away

FAQ

What is the population of Adapazarı?

Adapazarı has a population of 286,787 (city proper, latest official figure via GeoNames), making it the #46 biggest city in Türkiye.

What region is Adapazarı in?

Adapazarı is located in Sakarya, Türkiye.

Is Adapazarı the capital of Türkiye?

No, the capital of Türkiye is Ankara, about 229 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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