About Arequipa: is the capital of the colonial era of the Arequipa region in Peru. It is surrounded by 3 volcanoes and has baroque buildings built of sillar, a white volcanic stone. In its historical center, there is the Plaza de Armas, an imposing main square, and to the north of it is the Neoclassical Cathedral Basilica of the 17th century, which houses a museum exhibiting works of art and religious objects.