Cádiz is a province of southern Spain, in the southwestern part of the autonomous community of Andalusia. It is the southernmost part of mainland Spain, as well as the southernmost part of continental Europe.

It is bordered by the Spanish provinces of Huelva, Seville, and Málaga, as well as the Atlantic Ocean, the Mediterranean Sea, the Strait of Gibraltar and the British overseas territory of Gibraltar. Its area is 7,385 square kilometers.

Its capital is the city of Cádiz, which has a population of more than 128,000. The largest city is Jerez de la Frontera with 208,896 inhabitants (as of 2010), and another important city is Algeciras with just over 114,000 inhabitants. The entire province had a population of 1,240,175 (as of 2014), of whom about 600,000 live in the Bay of Cádiz area. Its population density is 167.93 per square kilometer.

The province encompasses 44 municipalities; besides its capital, other important cities are Jerez and Algeciras. (See the list of municipalities in Cádiz.) According to a roster developed by the Council of Tourism and Sport of Andalusia on 27 March 2003, there are officially six traditional or touristic comarcas (provincial areas or counties) in the Province of Cádiz:

...
Wikipedia