- The diectorial debut of Álvaro Gago.
- The film’s story is freely based on the life of Francisca Iglesias, a woman who took care of Álvaro Gago’s grandfather, and who starred in Gago’s short film of the same name.
- Matria had its world premiere on February 17, 2023, at the 73rd Berlin International Film Festival, screened in the festival’s Panorama lineup. Prior to its domestic theatrical release, the film was presented at the 26th Málaga Film Festival on March 11, 2023.
- The film was released theatrically in Spain on March 24, 2023.