<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.gundua barcelona, iliyoko moja kwa moja kwenye pwani ya mashariki ya kaskazini ya hispania, ina historia tajiri, akiwa chini ya warumi, kisha sheria ya frank kabla ya kutangaza uhuru wake.  <response>: explore barcelona, located directly on the northeastern mediterranean coast of spain, has a rich history, having been under roman, then frank law before declaring its independence. 