Final answer:
The narrative of "The Jilting of Granny Weatherall" mainly unfolds in Granny Weatherall's bedroom, which serves as the central setting for the story's events.
Step-by-step explanation:
The story "The Jilting of Granny Weatherall" by Katherine Anne Porter primarily takes place in Granny Weatherall's bedroom, as she lies on her deathbed, reminiscing about her past. Although there are flashbacks to other scenes throughout her life, the main narrative occurs in this location. The entire story portrays Granny Weatherall's reflections and life experiences as she confronts her final moments.