Green Gables is a fictional farmhouse located in the community of Avonlea on Prince Edward Island, Canada. It is the home of Marilla and Matthew Cuthbert, who initially intended to adopt a boy to help them on their farm. Instead, they receive Anne Shirley, an imaginative and spirited girl, leading to many adventures and challenges. The story of Green Gables is primarily told in the novel "Anne of Green Gables" by Lucy Maud Montgomery, published in 1908. The book explores themes of belonging, friendship, and the importance of imagination, making it a beloved classic in children's literature.