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Gölcük
City in Kocaeli, Turkey
Overview
Gölcük is a small, peaceful coastal town set by the Sea of Marmara in Kocaeli province. Known for its relaxed atmosphere, beautiful seaside, and tight-knit community, it's a quiet escape from Turkey's busier cities.
Geographic Context
Jurisdiction
Turkey
Province
Kocaeli
Population
38
Time Zone
Europe/Istanbul
Coordinates
40.70°, 29.87°
Key Metrics
Safety Score
65
Female Safety
60
LGBTQ+ Safety
35
Traffic Safety
60
Food Safety
75
Monthly Cost
$794
Local Cost
$505
Local Income
$520
Cashless
50
English
30
Temperature
12.3°C
Summer Avg
21.4°C
Winter Avg
3.2°C
Record High
40.2°C
Record Low
-18.3°C
Humidity
75%
Precipitation
640 mm
Internet Speed
73 Mbps
Upload
21 Mbps
Latency
10 ms
City Vibrancy
9
Coworking
0
Cafes
1
Nightlife
0
Parks
8
Transport
7
Walk Score
7
Footways
13.0
Airport
KCO
Distance
18 km
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-23.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 31 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-09.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-06.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
Estimated data
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores are model-assisted estimates derived from source-backed country and city signals. Confidence 55/100.
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