City size comparison

compared to

Dublin is about 32 times smaller than Sydney.

Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, while Dublin is approximately 118 sq km, making Dublin 3.09% the size of Sydney.
Tip: This to-scale comparison of Sydney vs. Dublin uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Dublin vs. Sydney

Flip Comparison · See true size
See Dublin on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 1.0% cheaper than Dublin
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