Algar is a city in the province of Cádiz, Spain. According to the 2005 census, the city has 1,644 inhabitants. Algar is in the White Towns o…Algar is a city in the province of Cádiz, Spain. According to the 2005 census, the city has 1,644 inhabitants. Algar is in the White Towns of Andalusia to an altitude of 212 meters.