The La Paz Department of Bolivia comprises 133,985 square kilometres with a 2024 census population of 3,022,566 inhabitants. It is situated at the western border of Bolivia, sharing Lake Titicaca with the neighboring Peru. It contains the Cordillera Real mountain range, which reaches altitudes of 6.6 kilometers. Northeast of the Cordillera Real are the Yungas, the steep eastern slopes of the Andes Mountains that make the transition to the Amazon River basin to the northeast.