Colima, officially the Free and Sovereign State of Colima, is one of the thirty-one states that, together with Mexico City, form Mexico. Its capital is the city of the same name, and the most populated city is Manzanillo. It is territorially divided into ten municipalities.

It is located in the western region of the country, bordering Jalisco to the north and west, Michoacán to the east, and the Pacific Ocean to the south. With 731,391 inhabitants in 2020, it is the least populated state, with 5,627 km², the fourth smallest - ahead of Aguascalientes, Morelos and Tlaxcala, the smallest - and with 115.65 inhabitants / km², the ninth most densely populated, behind the State of Mexico, Morelos, Tlaxcala, Aguascalientes, Guanajuato, Puebla, Querétaro and Hidalgo.

Apart from its capital and its most populated city, other important localities are Tecomán, Armería, Comala, Villa de Álvarez, Cuauhtémoc, Ixtlahuacán, Coquimatlán and Minatitlán.