The monumental complex of the Alhambra in Granada (Spain), encloses a group of spaces among which we find various types of gardens that constitute the only medieval Islamic gardens in Europe, and the most lush and diverse forests of almost six centuries old that the city of Granada has maintained to the present day. Given the lack of information on the faunal aspects of these environments, in the present work we set out to find out about the ant communities existing in the installations, gardens and woods of the monumental complex. With 26 species of ants identified, and the presence of global indicator species of maturity, our results support that, despite being an urbanized area, the Alhambra has a historical and current dynamic that has allowed it to maintain dense forest masses and diverse garden with hardly any contamination by invasive species.