Yanahuara District is a charming suburb in Arequipa, Peru, known for its stunning buildings made of pearly white volcanic rock called sillar. With a mix of middle-class residential areas and modern offices along Avenida Ejército, Yanahuara offers a picturesque setting with well-preserved Spanish-colonial churches, public parks, and the famous "el mirador e iglesia de Yanahuara" viewpoint where visitors can enjoy panoramic views of the city and its surrounding volcanoes.