VolgogradRussian Federation |
KatowicePoland |
1 021 000
(2010) |
1 021 000
(2010)
321 000
(2005) |
321 000
(2005) |
859 km2
|
859 km2
164 km2
|
164 km2
|
1 188.59
/km2 |
1 188.59/km2
1 957.32/km2
|
1 957.32
/km2 |