Lanzhou and Katowice
Comparison by area and population

China

Lanzhou

China

Poland

Katowice

Poland

Population

3 310 000
(2007)

3 310 000
(2007)

321 000
(2005)

321 000
(2005)

Area

13 100 km²

13 100 km²

164 km²

164 km²

Population density

252.67
/km²

252.67/km²

1 957.32/km²

1 957.32
/km²

Map

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Lanzhou and other cities

Katowice and other cities