Ma'an

Maastricht

Macassar

Macedonia (Hellenic)

Macedonia (Slavic)

Macina

Macuata

Maczva

Madagascar

Madeira Islands

Madon

Madura

Madurai

Maeda

Maeotes

Magadan & Kamchatka

Magadha

Magareva

Magh Luirg

Magister Militum

Magnites

Magonset

Maguindanao

Magyars

Mahan

Maharashtra

Maimana

Maina

Maine

Majapahit

Majertin

Majin (T'aebong)

Makan

Makran

Maku

Malacca

Malatya

Malaysia

Maldive Islands

Mali

Malia

Malieis

Malienydd

Malla

Malta

Malwa

Manchukuo

Manchuria

Mandara

Manderscheid

Mandinea

Mandingo

Mangku Negaran

Manipur

Manisa (Ancient)

Manisa (Magnesia)

Mannai

Mansfeld

Mantua

Maori

Mar

Marada States

Maragheh

Maranhão

Marash

Maratha Confederacy

Marathus

March

Marck

Marcomanni

Margiana

Mari

Mariana Island

Marib

Marida

Marie-Galante

Marion

Maronea

Maronite Patriarchs

Marseille

Marshall Island

Marsi

Martinique

Maryland-in-Liberia

Mascara

Mascat

Maseko

Masmouda

Massa-Carrara

Massagetai (Massa Getae)

Massawa

Matala

Mataram (Elder)

Mataram (Younger)

Matelica

Mathura

Matrega

Matsudaira

Matznaberd

Mauritius

Mayapan

Mayo

Mayors of the Palace

Mayotte

Mazandaran

Mazovia

Mearns

Meath

Mecca

Mechelen

Mecklenburg

Medea

Media (Madai)

Medina

Megalopolis

Megara

Megiddo

Meirionydd

Meissen

Melanchaeni (Black Cloaks)

Melfi

Meliboea

Melilla

Melitene

Memel

Menteith

Meonwara

Mercia

Merkits

Meroë

Mesopotamia/Iraq (Modern, Medieval, Classical)

Messerano

Messina

Messina

Messini

Metternich-Winneburg

Mexico

Micronesia

Middlesex

Midianites

Mikulin

Milan (Archbishopric)

Milan (Temporal)

Milas

Miletus

Miletus

Milid

Milos

Min

Mindelheim

Mingrelia

Minoa

Minsk

Mirandola

Mirditë

Misau

Mississippi-in-Africa

Mitanni

Mito

Mixtecs

Moab (including Krak des Moabites)

Modaeoi

Modena

Mogadishu

Mogulistan (Eastern Chagataiids)

Moha

Mohéli

Moldavia

Moldova

Molise

Molossoi

Mombasa

Monaco

Monastir

Monemvassia

Mongolia

Mons

Mont Saint Michel

Montenegro

Montferrat

Montfoort

Montfort

Montserrat

Monyul

Moravia

Moray

More & Romsdale

Morea

Moresnet

Morgannwg

Mori

Morocco

Mortain

Moschii

Moscow Patriarchate

Mosquito

Mosul

Moxoene

Mozambique

Mtskheta