Giulia Marcovaldo is a fictional character from the book series "Il barone rampante" by Italo Calvino. She is the wife of Cosimo Piovasco di Rondò, the protagonist who chooses to live in the trees. Giulia is depicted as a strong and supportive partner, embodying the themes of love and resilience throughout the story. In the narrative, Giulia's character represents the connection between the earth and the sky, as she often interacts with both the grounded life of her family and the lofty ideals of her husband. Her presence adds depth to the exploration of freedom and individuality in the novel.