Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. 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 and administrative capital 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.
Bosnia and Herzegovina (Serbo-Croatian: Bosna i Hercegovina, Босна и Херцеговина), sometimes known as Bosnia-Herzegovina and informally as Bosnia, is a country in Southeast Europe, situated on the Balkan Peninsula. It borders Serbia to the east, Montenegro to the southeast, and Croatia to the north and southwest. In the south it has a 20 kilometres (12 miles) long coast on the Adriatic Sea, with the town of Neum being its only access to the sea. Bosnia has a moderate continental climate with hot summers and cold, snowy winters. In the central and eastern regions, the geography is mountainous, in the northwest it is moderately hilly, and in the northeast it is predominantly flat. Herzegovina, the smaller, southern region, has a Mediterranean climate and is mostly mountainous. Sarajevo is the capital and the largest city.
Botswana, officially the Republic of Botswana, is a landlocked country in Southern Africa. Botswana is topographically flat, with approximately 70 per cent of its territory being the Kalahari Desert. It is bordered by South Africa to the south and southeast, Namibia to the west and north, Zambia to the north and Zimbabwe to the northeast. Being a country of slightly over 2.4 million people and roughly the size of France, Botswana is one of the most sparsely populated countries in the world. It is essentially the nation-state of the Tswana people, who constitute 70 per cent of the population.
Brazil, officially the Federative Republic of Brazil, is the largest and easternmost country in South America and Latin America. It is the world's fifth-largest country by area and the seventh most populous. Its capital is Brasília, and its most populous city is São Paulo. Brazil is a federation composed of 26 states and a Federal District. It is the only country in the Americas where Portuguese is an official language. Brazil is among the world's most multicultural and ethnically diverse nations, due to over a century of mass immigration from around the world.
Brunei, officially Brunei Darussalam, is a country in Southeast Asia, situated on the northern coast of the island of Borneo. Apart from its coastline on the South China Sea, it is completely surrounded by the Malaysian state of Sarawak, with its territory bifurcated by the Sarawak district of Limbang. Brunei is the only sovereign state entirely on Borneo; the remainder of the island is divided between its multi-landmass neighbours of Malaysia and Indonesia. As of 2023, the country had a population of 455,858, of whom approximately 180,000 resided in the capital and largest city of Bandar Seri Begawan. Its official language is Malay and Islam is the state religion of the country, although other religions are nominally tolerated. The government of Brunei is a constitutional absolute monarchy ruled by the Sultan, and it implements a fusion of English common law and jurisprudence inspired by Islam, including sharia.
Bulgaria, officially the Republic of Bulgaria, is a country in Southeast Europe. Located west of the Black Sea and south of the Danube river, Bulgaria is bordered by Greece and Turkey to the south, Serbia and North Macedonia to the west, and Romania to the north. It covers a territory of 110,994 square kilometres (42,855 sq mi) and is the 16th largest country in Europe. Sofia is the nation's capital and largest city; other major cities include Burgas, Plovdiv, and Varna.
Burkina Faso is a landlocked country in West Africa. It covers an area of 274,223 km2 (105,878 sq mi), bordered by Mali to the northwest, Niger to the northeast, Benin to the southeast, Togo and Ghana to the south, and Ivory Coast to the southwest. As of 2021, the country had an estimated population of 23,674,480. Previously called the Republic of Upper Volta (1958–1984), it was renamed Burkina Faso by President Thomas Sankara. Its citizens are known as Burkinabè, and its capital and largest city is Ouagadougou.
Burundi, officially the Republic of Burundi, is a landlocked country in the Great Rift Valley at the junction between the African Great Lakes region and Southeast Africa. It is bordered by Rwanda to the north, Tanzania to the east and southeast, and the Democratic Republic of the Congo to the west; Lake Tanganyika lies along its southwestern border. The capital city is Gitega and the largest city is Bujumbura.
Cambodia, officially the Kingdom of Cambodia, is a country in Mainland Southeast Asia. It borders Thailand to the northwest, Laos to the north, Vietnam to the east, and has a coastline along the Gulf of Thailand on the southwest. It spans an area of 181,035 square kilometres (69,898 square miles), and has a population of about 17 million. Its capital and most populous city is Phnom Penh.
Cameroon, officially the Republic of Cameroon, is a country in Central Africa. It shares boundaries with Nigeria to the west and north, Chad to the northeast, the Central African Republic to the east, and Equatorial Guinea, Gabon and the Republic of the Congo to the south. Its coastline lies on the Bight of Biafra, part of the Gulf of Guinea and the Atlantic Ocean. Due to its strategic position at the crossroads between West Africa and Central Africa, it has been categorized as being in both camps. Cameroon's population of nearly 31 million people speak 250 native languages, in addition to the national tongues of English and French, or both. Early inhabitants of the territory included the Sao civilisation around Lake Chad and the Baka hunter-gatherers in the southeastern rainforest. Portuguese explorers reached the coast in the 15th century and named the area Rio dos Camarões (Shrimp River), which became Cameroon in English. Fulani soldiers founded the Adamawa Emirate in the north in the 19th century, and various ethnic groups of the west and northwest established powerful chiefdoms and fondoms.