Friol is a municipality in the Lugo province in Galicia. It is located in northwest Spain. It is bordered on the north by Begonte and Guitiriz, to the south by Palas de Rei and Guntín, to the east by Lugo and Outeiro de Rei and to the west by the province of La Coruña. It has an area of 295 km2. It has a population of 4,533 inhabitants according to the INE in 2005. The population density is 15.36 inhabitants/km2.