Population in Gao compared to Castro Urdiales
Gao: 86.633 (2009)
Castro Urdiales: 33.450 (2025)
In Gao there are about 2.6 time more people living, as in Castro Urdiales.
City comparison between Gao and other cities
more about Gao (Mali)
more about Castro Urdiales (Cantabria, Spain)