In what type of location are many Film Noir plots set?

Many Film Noir plots are set in urban environments with intricate layouts, which plays a significant role in the genre's distinct mood and themes. The dense cityscapes contribute to a sense of claustrophobia and entrapment, often reflecting the characters’ struggles and moral ambiguity. The dark alleyways, bustling streets, and looming skyscrapers create a backdrop that heightens tension and paranoia, elements that are central to Film Noir narratives.

The complex urban layout allows for multiple storylines to intersect, showcasing the intertwining fates of characters within a metropolitan setting marked by crime and corruption. This environment amplifies the themes of alienation and disillusionment, which are prevalent in Film Noir, and provides a stark contrast to more idyllic, rural settings that might not evoke the same sense of danger or moral complexity.