Saint-Germain-des-Prés is the 24th cartier (administrative district) of Paris, a district located in the 6th arrondissement. The district is centered around the Saint-Germain-des-Prés church, the oldest church in Paris, and includes the Saint-Sulpice church, the School of Fine Arts, the Institut de France, and the Mint.
Saint-Germain-des-Prés is an area that has developed since the end of the 17th century as a cultural center for intellectuals and artists; from the 1930s it was known as the "intellectual center of Paris," and during and after the war many writers and artists gathered in the neighborhood's cafes.
As for the anime "Noir," it is an animated television series that was broadcast in 2001 and consists of 26 episodes. It is the first in a trilogy of beautiful girls' gun-action stories based on the concept of "guns and girls. The story takes place in Paris, where one of the main characters, Mireille Bouquet, is a loner who runs an assassination agency in Paris. She meets Kirika in Japan and they form the assassination unit "Noir.
As described above, Saint-Germain-des-Prés is a district where one can feel the history and culture of Paris, and it is also depicted as the setting for the anime "Noir. The charm of this district will be reflected in the anime.