Cartagena is a port city and naval base in the autonomous community of Murcia in southeastern Spain. The city was founded by the Carthaginians around 220 BC and developed rapidly after the conquest by the Romans. In Cartagena, it is worth visiting the ruins of a Roman theater of the 1st century BC and the Casa de la Fortuna with frescoes and mosaics. In the center of the study of the Punic wall are the remains of the walls of the III century BC. The population of the city is 220,000 people.