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Macau or Macao is a special administrative region of China. It consists of the Macau Peninsula, Taipa, Cotai and Coloane Island, alongside several smaller islands. The territory is located south of Zhuhai City, Guangdong (Canton) Province and west of Hong Kong SAR, which is connected to it by the Hong Kong-Zhuhai-Macau Bridge. With a population of about 710,000 people and a land area of 32.9 square kilometres (12.7 sq mi), it is the most densely populated region in the world.

Madagascar, officially the Republic of Madagascar, is an island country in the Indian Ocean that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's fourth-largest island, the second-largest island country, and the 46th-largest country overall. Its capital and largest city is Antananarivo.

Madeira, officially the Autonomous Region of Madeira, is an autonomous region of Portugal, in the Atlantic Ocean about 805 km (500 miles) southwest of mainland Portugal. Together with the Azores, it is one of the two autonomous regions of Portugal and a special territory of the European Union. It is the southernmost point and region of Portugal.

Maine (/meɪn/ ⓘ MAYN) is a state in the New England region of the United States, and the northeasternmost state in the contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and northwest, and shares a maritime border with Nova Scotia. It is the only state to border only one other state, which is New Hampshire. Maine is the largest state in New England by total area, almost as large as the combined area of the remaining five states. Of the 50 U.S. states, it is the 12th-smallest by area, the 9th-least populous, the 13th-least densely populated, and the most rural. As of 2024, Maine's population stood at a Census-estimated 1,400,000, the state's highest-ever population estimate. Maine's capital is Augusta, while its most populous city is Portland.

Malawi, officially the Republic of Malawi, is a landlocked country in Southeastern Africa. It is bordered by Zambia to the west, Tanzania to the north and northeast, and Mozambique to the east, south, and southwest. Malawi spans over 118,484 km2 (45,747 sq mi) and has an estimated population of 22,224,282 (as of July 2025). Lilongwe is its capital and largest city, while the next three largest cities are Blantyre, Mzuzu, and Zomba, the former capital.

Malaysia is a country in Southeast Asia. A federal constitutional monarchy, it consists of 13 states and three federal territories, separated by the South China Sea into two regions: Peninsular Malaysia on the Indochinese Peninsula and East Malaysia on the island of Borneo. Peninsular Malaysia shares land and maritime borders with Thailand, as well as maritime borders with Singapore, Vietnam, and Indonesia; East Malaysia shares land borders with Brunei and Indonesia, and maritime borders with the Philippines and Vietnam. Kuala Lumpur is the country's national capital, largest city, and the seat of the legislative branch of the federal government, while Putrajaya is the federal administrative capital, representing the seat of both the executive branch and the judicial branch of the federal government. With a population of over 34 million, it is the world's 42nd-most populous country.

Maldives, officially the Republic of Maldives, and historically known as the Maldive Islands, is an archipelagic country in South Asia, located in the eastern Arabian Sea, within the northern Indian Ocean. Maldives is southwest of Sri Lanka and India, about 750 kilometres (470 miles; 400 nautical miles) from the Asian continent's mainland. Maldives' chain of 26 atolls stretches across the equator from Ihavandhippolhu Atoll in the north to Addu Atoll in the south.

Mali, officially the Republic of Mali, is a landlocked country in West Africa. It is the eighth-largest country in Africa and the 23rd largest country in the world, with an area of over 1,240,192 square kilometres (478,841 sq mi). The country is bordered to the north by Algeria, to the east by Niger, to the northwest by Mauritania, to the south by Burkina Faso and Ivory Coast, and to the west by Guinea and Senegal. The population of Mali is about 23.29 million, 47.19% of which are estimated to be under the age of 15 in 2024. Its capital and largest city is Bamako. The country has 13 official languages, of which Bambara is the most commonly spoken.

Malta, officially the Republic of Malta, is an island country in Southern Europe located in the Mediterranean Sea, between Sicily and North Africa. It consists of an archipelago 80 km (50 mi) south of Italy, 284 km (176 mi) east of Tunisia, and 333 km (207 mi) north of Libya. The two official languages are Maltese and English but Maltese is recognised as the national language. The country's capital is Valletta, which is the smallest capital city in the European Union (EU) by both area and population.

A map is a symbolic depiction of interrelationships, commonly spatial, between things within a space. A map may be annotated with text and graphics. Like any graphic, a map may be fixed to paper or other durable media, or may be displayed on a transitory medium such as a computer screen. Some maps change interactively. Although maps are commonly used to depict geographic elements, they may represent any space, real or fictional. The subject being mapped may be two-dimensional such as Earth's surface, three-dimensional such as Earth's interior, or from an abstract space of any dimension.

The Marshall Islands, officially the Republic of the Marshall Islands, is an island country in Oceania. The sovereign state lies west of the International Date Line and north of the equator in the Micronesia region of the Northwestern Pacific Ocean.

Martinique (/ˌmɑːrtɪˈniːk/ MAR-tin-EEK [maʁtinik] ⓘ; Martinican Creole: Matinik or Matnik;[6] Kalinago: Madinina or Madiana) is an island in the Lesser Antilles of the West Indies, in the eastern Caribbean Sea. A part of the French West Indies (Antilles), Martinique is an overseas department and region and a single territorial collectivity of France.

Maryland (US: /ˈmɛrɪlənd/ ⓘ MERR-il-ənd)[b] is a state in the Mid-Atlantic and Southern regions of the United States. It borders Virginia to its south, West Virginia to its west, Pennsylvania to its north, and Delaware to its east, as well as with the Atlantic Ocean to its east, and the national capital and federal district of Washington, D.C. to the southwest. With a total area of 12,407 square miles (32,130 km2), Maryland is the ninth-smallest state by land area, and its population of 6.1 million ranks it the 19th-most populous state and the fifth-most densely populated. Maryland's capital city is Annapolis, and the state's most populous city is Baltimore.

Massachusetts (/mæsəˈtʃ(j)uːsɪts/ ⓘ /-zɪts/ MASS-ə-CHOO-sits, -⁠zits; Massachusett: Muhsachuweesut [məhswatʃəwiːsət]), officially the Commonwealth of Massachusetts, is a state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode Island to its south, New Hampshire and Vermont to its north, and New York to its west. Massachusetts is the seventh-smallest state by land area. With an estimated population of over 7.1 million, it is the most populous state in New England, the 16th-most-populous in the United States, and the third-most densely populated U.S. state after New Jersey and Rhode Island.

Mauritania, officially the Islamic Republic of Mauritania, is a country in Northwest Africa. It is bordered by the Atlantic Ocean to the west, Western Sahara to the north and northwest, Algeria to the northeast, Mali to the east and southeast, and Senegal to the southwest. By land area Mauritania is the 11th-largest country in Africa and the 28th-largest in the world; 90% of its territory is in the Sahara desert. Most of its population of some 4.3 million live in the temperate south of the country; roughly a third of the population is concentrated in the capital and largest city, Nouakchott, on the Atlantic coast.