Grecia was born in Acapulco, Mexico the 2nd of May 1994 and is the daughter of Mexican parents Cruz Castillo Rodriguez and Lucero De la Paz Perez. Grecia De la Paz is a British trained, bilingual Mexican actress based in London, UK. She moved to Mexico City in 2014 to pursue her professional career in performing arts and marketing. She studied in El Set, La Casa del Teatro and ISEC University.

In 2018, Grecia moved to London, United Kingdom where she is a resident. She is currently studying in University of the Arts London BA (Hons) Acting and Performance and training with Saffron Acting Studios.

Grecia De la Paz has a strong commercial, social media and dance background as she was a cheerleader from an early age, and jazz dancer. She is experienced with urban dances such as hip hop, and latin rhythms as well.