Kingdoms

Belgium, officially the Kingdom of Belgium, is a country in Northwestern Europe. Situated in a coastal lowland region known as the Low Countries, it is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to the south, and the North Sea to the west. The country also shares a maritime boundary with the United Kingdom to the northwest. Belgium covers an area of and has a population of more than 11.8 million; its population density of ranks 22nd in the world and sixth in Europe. The capital and largest metropolitan region is Brussels; other major citi

Thailand, officially the Kingdom of Thailand, and formerly known as Siam until 1939, is a country located in mainland Southeast Asia. It shares land borders with Myanmar to the west and northwest, Laos to the east and northeast, Cambodia to the southeast, and Malaysia to the south. Its maritime boundaries include the Gulf of Thailand and the Andaman Sea, as well as maritime borders with Vietnam, Indonesia, and India. Thailand has a population of nearly 66 million people and covers an area of approximately 513,115 km2 (198,115 sq mi). The country's capital and largest city is Bangkok.

Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in West Asia. Located in the centre of the Middle East, it covers the bulk of the Arabian Peninsula and has a land area of about 2,150,000 km2 (830,000 sq mi), making it the fifth-largest country in Asia, the largest in the Middle East, and the twelfth-largest in the world. It is bordered by the Red Sea to the west; Jordan, Iraq, and Kuwait to the north; the Persian Gulf, Bahrain, Qatar and the United Arab Emirates to the east; Oman to the southeast; and Yemen to the south. The Gulf of Aqaba in the northwest separates Saudi Arabia from Egypt and Israel. Saudi Arabia is the only country with a coastline along both the Red Sea and the Arabian Gulf, and most of its terrain consists of arid desert, lowland, steppe, and mountains. The capital and largest city is Riyadh; other major cities include Jeddah and the two holiest cities in Islam, Mecca and Medina. With a population of almost 32.2 million, Saudi Arabia is the fourth most populous country in the Arab world.

Cambodia, officially the Kingdom of Cambodia, is a country in Mainland Southeast Asia. It is bordered by Thailand to the northwest, Laos to the north, and Vietnam to the east, and has a coastline along the Gulf of Thailand in the southwest. It spans an area of , dominated by a low-lying plain and the confluence of the Mekong river and Tonlé Sap, Southeast Asia's largest lake. It is dominated by a tropical climate. Cambodia has a population of about 17 million people, the majority of which are ethnically Khmer. Its capital and most populous city is Phnom Penh, followed by Siem Reap and Battamba

Bahrain, officially the Kingdom of Bahrain, is an island country in West Asia. Situated near the western shore of the Persian Gulf, about a third of its length from the south end, the country comprises a small archipelago of 33 natural islands and an additional 50 artificial islands, centred on Bahrain Island, which makes up around 80 percent of the country's landmass. Bahrain is situated between Qatar and the northeastern coast of Saudi Arabia, to which it is connected by the King Fahd Causeway. The population is 1,588,670 as of 2024, of whom 739,736 (46.6% of the population) are Bahraini nat

constitutional monarchy of the United Kingdom of Great Britain and Northern Ireland

constitutional monarchy and monarch of the Kingdom of Thailand

customary kingdom in Wallis-et-Futuna, France

thumb|250px|Map of Hoorn Islands Sigavé (also Singave or Sigave) is one of the three official chiefdoms of the French territory of Wallis and Futuna in Oceania in the South Pacific Ocean. (The other two chiefdoms are Uvea and Alo.)

constitutional monarchy

customary kingdom in Wallis and Futuna, France

Head of State

commonwealth Monarchy applied in the Bahamas

Sovereign of Saint Lucia

head of state

form of government in Jamacia

A country in the West Indies

constitutional monarchy as a system of government in Solomon Islands

constitutional monarchy as a system of government in Tuvalu

system of government in Papua New Guinea