Its houses climb two limestone slopes above the channels where streams once met. Churches appear at different heights; stairways continue where roads stop; caves, retaining walls and later façades belong to the same inhabited landscape.
After the earthquake of 1693, the community rebuilt substantially on this difficult ground. The old rivalry between the parishes of San Giorgio and San Pietro survived, while noble residences, convents and ordinary homes adapted the inherited urban fabric rather than replacing it with one ideal plan.
To understand Modica, the visitor must move between Alta and Bassa and then look beyond both: toward poetry, an officially protected food tradition and the long archaeological valley of Cava d’Ispica.