None of the pilgrims appeared in the movie are identified by their full names. The most part of them only are mentioned by their birth name.
The city where the Camino ends is Santiago de Compostela, Galicia (northwest to Spain). The last name Compostela is an old Latin form which it translates as "field of stars", referring the popular belief that who walks the Camino de Santiago is walking following the rotation of the Milky Way. However, there is not a scientist evidence supporting it beyond a reasonable doubt.