Explore details about location A Antofagasta. A Antofagasta is a location situated within the Mejillones alongside other areas such as Autopista Antofagasta - Mejillones, Al Norte, Mejillones - Compañía Fertilizantes. Additionally, some smaller parts of A Antofagasta include specific areas like Michilla - Alto Michilla, Salida Michilla adding to the diversity of its landscape.