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Christiansø
City in Denmark, Denmark
Overview
Christiansø is a historic fortress island located in the Baltic Sea, northeast of Bornholm and forming part of Denmark's Ertholmene archipelago. Renowned for its preserved fortifications, natural scenery, and peaceful atmosphere, the island offers a unique step back in time with traditional Danish history and architecture.
Geographic Context
Jurisdiction
Denmark
Region
Denmark
Population
—
Time Zone
Europe/Copenhagen
Coordinates
55.32°, 15.19°
Key Metrics
Safety Score
97
Female Safety
95
LGBTQ+ Safety
93
Traffic Safety
98
Food Safety
100
Monthly Cost
$1,200
Local Cost
$800
Local Income
$0
Cashless
85
English
92
Temperature
9.2°C
Summer Avg
16.6°C
Winter Avg
3.0°C
Record High
24.7°C
Record Low
-5.8°C
Humidity
86%
Precipitation
670 mm
Internet Speed
55 Mbps
Upload
11 Mbps
Latency
26 ms
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
11
Walk Score
11
Footways
22.0
Airport
RNN
Distance
39 km
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-22.
World Air Quality Index - Latest available city-level air quality station measurement. Updated 2025-12-05.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 14 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 40/100.
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