VolgogradRussian Federation |
BirminghamUnited Kingdom |
1 021 000
(2010) |
1 021 000
(2010)
1 074 300
(2011) |
1 074 300
(2011) |
859 km2
|
859 km2
267 km2
|
267 km2
|
1 188.59
/km2 |
1 188.59/km2
4 023.60/km2
|
4 023.60
/km2 |