Cologne and Barcelona
Comparison by area and population

Cologne

Germany

Barcelona

Spain

Population

1 017 155
 (2011)

1 017 155
(2011)

1 615 448
(2011)
1 615 448
 (2011)

Area

405 km2

405 km2

100 km2
100 km2

Population density

2 511.49
/km2

2 511.49/km2

16 154.50/km2
16 154.50
 /km2
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