City size comparison

compared to

Sydney is about 4.4 times smaller than Dublin.

Dublin is approximately 118 sq km, while Sydney is approximately 27 sq km, making Sydney 22.67% the size of Dublin.
Tip: This to-scale comparison of Dublin vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Dublin
Flip Comparison · See true size
See Sydney on top of Dublin
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Cost of Living Comparison · 7 categories - 2026 data
Dublin is 5.4% more expensive than Sydney
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