The autonomous communities are the first-level administrative divisions of Spain, created in accordance with the Spanish Constitution of 1978, with the aim of guaranteeing limited autonomy to the nationalities and regions that make up Spain.

This article includes several ranked indicators for Spain's 17 autonomous communities, as well as for the autonomous cities of Ceuta and Melilla.

This gallery of flags of the autonomous communities of Spain shows the distinctive flags of the 17 autonomous communities (constitutionally they are the nationalities and regions in which Spain is territorially organized), plus the autonomous cities of Ceuta and Melilla.