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Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. It is a unitary republic made up by mainland Portugal and two autonomous regions, with Lisbon as both its capital and largest city. The mainland is bordered by Spain to the north and east, with Madeira and the Azores in the Atlantic Ocean. It features the westernmost point in continental Europe.

Puerto Rico (abbreviated PR), officially the Commonwealth of Puerto Rico, is a self-governing Caribbean archipelago and island organized as an unincorporated territory of the United States under the designation of commonwealth. It is located about 1,000 miles (1,600 km) southeast of Miami, Florida, between the Dominican Republic in the Greater Antilles and the U.S. Virgin Islands in the Lesser Antilles. It consists of the eponymous main island and numerous smaller islands, including Vieques, Culebra, and Mona. With approximately 3.2 million residents, it is divided into 78 municipalities, of which the most populous is the capital municipality of San Juan, followed by those within the San Juan metropolitan area. Spanish and English are the official languages of the government, though Spanish predominates.

Qatar, officially the State of Qatar, is a country in West Asia. It occupies the Qatar Peninsula on the northeastern coast of the Arabian Peninsula in the Middle East; it shares its sole land border with Saudi Arabia to the south, with the rest of its territory surrounded by the Persian Gulf. The Gulf of Bahrain, an inlet of the Persian Gulf, separates Qatar from nearby Bahrain. The capital is Doha, home to over 80% of the country's inhabitants. Most of the land area is made up of flat, low-lying desert.

Ireland (Irish: Éire [ˈeːɾʲə] ⓘ), also known as the Republic of Ireland (Poblacht na hÉireann), is a country in Northwestern Europe. It consists of 26 of the 32 counties of the island of Ireland, with a population of about 5.4 million. Its capital and largest city is Dublin, on the eastern side of the island, with a population of over 1.5 million. The sovereign state shares its only land border with Northern Ireland, which is part of the United Kingdom. It is otherwise surrounded by the Atlantic Ocean, with the Celtic Sea to the south, St George's Channel to the south-east and the Irish Sea to the east. It is a unitary, parliamentary republic. The legislature, the Oireachtas, consists of a lower house, Dáil Éireann; an upper house, Seanad Éireann; and an elected president (Uachtarán) who serves as the largely ceremonial head of state, but with some important powers and duties. The head of government is the Taoiseach (prime minister, lit. 'chief'), elected by the Dáil and appointed by the president, who appoints other government ministers.

The Republic of the Congo, also known as Congo-Brazzaville, the Congo Republic or simply Congo (its name from 1971 to 1997; the period during which the neighboring Democratic Republic of the Congo was officially named Zaire), is a country located on the western coast of Central Africa to the west of the Congo River. It is bordered to the west by Gabon, to the northwest by Cameroon, to the northeast by the Central African Republic, to the southeast by the Democratic Republic of the Congo, to the south by the Angolan exclave of Cabinda, and to the southwest by the Atlantic Ocean.

Réunion (/riːˈjuːnjən/; French: [la ʁe.ynjɔ̃] ⓘ; Reunionese Creole: La Rényon; known as Île Bourbon before 1848) is an island in the Indian Ocean that is an overseas department and region of France within the African region. Part of the Mascarene Islands, it is located approximately 679 kilometres (367 nautical miles) east of the island of Madagascar and 175 kilometres (94 nmi) southwest of the island of Mauritius. As of January 2026, it had a population of 910,985. Its capital and largest city is Saint-Denis.

Rhode Island (/ˌroʊd -/ ⓘ ROHD) is a state in the New England region of the Northeastern United States. It borders Connecticut to its west; Massachusetts to its north and east; and the Atlantic Ocean to its south via Rhode Island Sound and Block Island Sound; and shares a small maritime border with New York, east of Long Island. Rhode Island is the smallest U.S. state by area and the seventh-least populous, with slightly more than 1.11 million residents as of 2025. The state's population, however, has continually recorded growth in every decennial census since 1790, and it is the second-most densely populated state after New Jersey. The state takes its name from the eponymous island, though most of its land area is on the mainland. Providence is its capital and most populous city.

Romania is a country located at the crossroads of Central, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to the east, and the Black Sea to the southeast. It has a mainly continental climate, and an area of 238,397 km2 (92,046 mi2) with a population of 19 million people. Romania is the twelfth-largest country in Europe and the sixth-most populous member state of the European Union. Europe's second-longest river, the Danube, empties into the Danube Delta in the southeast of the country. The Carpathian Mountains cross Romania from the north to the southwest and include Moldoveanu Peak, at an altitude of 2,544 m (8,346 ft). Bucharest is the country's capital, largest urban area, and financial centre. Other major urban areas include Cluj-Napoca, Timișoara, Iași, Constanța and Brașov.

Russia, or the Russian Federation, is a country in Eastern Europe and North Asia. It is the largest country in the world, spanning eleven time zones and sharing land borders with fourteen countries. With a population of over 140 million, Russia is the most populous country in Europe and the ninth-most populous in the world. It is a highly urbanised country, with sixteen of its urban areas having more than 1 million inhabitants. Moscow, the most populous metropolitan area in Europe, is the capital and largest city of Russia, while Saint Petersburg is its second-largest city and a major cultural centre.

Rwanda, officially the Republic of Rwanda, is a landlocked country in East Africa. Known as the "Land of a Thousand Hills" for its high elevation and rolling terrain, its geography is dominated by mountains in the west and savanna in the southeast. The largest and most notable lakes are mainly in the western and northern regions of the country, and several volcanoes that form part of the Virunga volcanic chain are primarily in the northwest. The climate is considered tropical highland, with two rainy seasons and two dry seasons each year. Its capital and largest city is Kigali, located at the centre of the country, at 1,567 metres above sea level.

Saba is a Caribbean island and the smallest special municipality (officially "public body") of the Netherlands. It consists largely of the dormant volcano Mount Scenery, which at 870 metres (2,854.3 ft) is the highest point of the entire Kingdom of the Netherlands. The island lies in the northern Leeward Islands portion of the West Indies, southeast of the Virgin Islands. Together with Bonaire and Sint Eustatius it forms the Caribbean Netherlands, also known as the BES islands.

The Sahrawi Arab Democratic Republic (SADR), also known as the Sahrawi Republic and Western Sahara, is a partially recognized state in the western Maghreb, which claims the non-self-governing territory of Western Sahara, but controls only the easternmost one-fifth of that territory. It is recognized by 44 UN member states and South Ossetia. Between 1884 and 1975, Western Sahara was known as Spanish Sahara, a Spanish colony (later an overseas province). The SADR is one of the two African states in which Spanish is a significant language, the other being Equatorial Guinea.

Saint Barthélemy, officially the Collectivité territoriale de Saint-Barthélemy, also known as St. Barts and St. Barths (English) or St. Barth (French), is an overseas collectivity of France in the Caribbean. The island lies about 30 kilometres (19 mi) southeast of the island of Saint Martin. It is northeast of the Dutch islands of Saba and Sint Eustatius, and north of the independent country of Saint Kitts and Nevis.

Saint Helena (/ˌsɛnt (h)ɪˈliːnə, ˌsɪnt-, sənt-/, US: /ˌseɪnt-/; US: /ˌseɪnt ˈhɛlənə/ ) is a volcanic and tropical island, located in the South Atlantic Ocean, some 1,874 km (1,165 miles) west of the mainland of the continent of Africa, with the Southern African nations of Angola and Namibia on its southeastern coast being the closest nations geographically. The island is around 1,950 km (1,210 mi) west of the coast of southwestern Angola, and 4,000 km (2,500 mi) east of the major seaport city of Rio de Janeiro, Brazil in South America. It is one of the three constituent parts of Saint Helena, Ascension and Tristan da Cunha, a British overseas territory.

Saint Helena, Ascension and Tristan da Cunha is a British Overseas Territory located in the South Atlantic and consisting of the island of Saint Helena, Ascension Island, and the archipelago of Tristan da Cunha (including Gough Island). Its name was Saint Helena and Dependencies until 1 September 2009, when a new constitution came into force, giving the three islands equal status as three territories, with a grouping under the Crown.