Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. It is a country with the largest geographic extension of Amazonian plains and lowlands, mountains and Chaco with a tropical climate, valleys with a warm climate, as well as being part of the Andes of South America and its high plateau areas with cold climates, hills and snow-capped mountains, with a wide biome in each city and region. It includes part of the Pantanal, the largest tropical wetland in the world, along its western border. It is bordered by Brazil to the north and east, Paraguay to the southeast, Argentina to the south, Chile to the southwest, and Peru to the west. The seat of government is La Paz, which contains the executive, legislative, and electoral branches of government, while the constitutional capital is Sucre, the seat of the judiciary. The largest city and principal industrial center is Santa Cruz de la Sierra, located on the Llanos Orientales (eastern tropical lowlands), a mostly flat region in the east of the country with a diverse non-Andean culture.