What region of Mexico does tortilla soup come from?

Tortilla soup, known as "sopa de tortilla," originates from the central region of Mexico, particularly Mexico City and the surrounding areas. It is a traditional dish that showcases the use of corn tortillas, which are cut into strips and fried, along with ingredients like tomatoes, chilies, and broth. The soup is often garnished with avocado, cheese, and sour cream, reflecting the diverse culinary influences of the region.