Berilia is a fictional planet in the Harry Potter universe, created by author J.K. Rowling. It is known for its unique and vibrant landscapes, which include lush forests and sparkling rivers. The planet is inhabited by various magical creatures and is often associated with the wizarding world. In the Harry Potter series, Berilia is mentioned in relation to the Quidditch sport, specifically as a location for the Quidditch World Cup. The planet serves as a backdrop for the magical events that unfold in the series, showcasing the rich imagination of Rowling's world.