Heliopolis is a district located in the eastern part of Cairo, Egypt. It is known for its upscale residential areas, tree-lined streets, and beautiful architecture. Originally established in the early 20th century, Heliopolis was designed to be a "city of luxury and leisure" and it still retains much of its original charm. The district is home to a mix of modern and historic buildings, with grand villas and palaces standing alongside contemporary apartment complexes. Heliopolis is also known for its wide boulevards, spacious parks, and vibrant shopping and dining scene. The area is popular among expatriates and affluent Egyptians, and it has a cosmopolitan atmosphere with a diverse population.