Population in Koblenz compared to Castro Urdiales
Koblenz: 113.378 (2024)
Castro Urdiales: 33.450 (2025)
In Koblenz there are about 3.4 time more people living, as in Castro Urdiales.
Size of Koblenz compared to Castro Urdiales
Koblenz: ca. 105 km²
Castro Urdiales: ca. 97 km²
Koblenz has about the same land area as Castro Urdiales.
Population density of Koblenz compared to Castro Urdiales
Koblenz: ca. 1.077 Einwohner/km²
Castro Urdiales: ca. 346 Einwohner/km²
The population density of Koblenz is about3.1 times higher, than the one of Castro Urdiales.
City comparison between Koblenz and other cities
more about Koblenz (Rhineland-Palatinate, Germany)
more about Castro Urdiales (Cantabria, Spain)