Issues Addressed:
- Missing provinces (e.g., Ceuta, Melilla).
- Incorrect inclusion of states as provinces (e.g., Andalucía).
- Inclusion of a province from another country (e.g., Nouvelle-Calédonie).
Solution:
This update provides an accurate list of Spain's provinces based on the ISO 3166-2 standard. Reference: [ISO 3166-2:ES - Provincias](https://es.wikipedia.org/wiki/ISO_3166-2:ES#Provincias).
