Nuestra Señora de La Paz (Spanish pronunciation: [ˈnwes.tɾa seˈɲoɾa ðe la pas]; English: Our Lady of Peace; Aymara: Chuqi Yapu) is the capital of Bolivia, and La Paz Department. It is the second largest city (in people) only after Santa Cruz de la Sierra. It is in the western part of the country in the department of the same name. It is at an elevation of 3,650 m (11,975 ft) above sea level, making it the world's highest de facto capital city.