BOTANICAL NAME - Citrus Bergamia, ORIGIN - "Calabria, Italy", SOURCE - Fruit Peel The peel of the Citrus bergamia fruit, specifically the Calabrian type, is used to produce Bergamot Calabrian essential oil. Bergamot is a citrus fruit that is mostly grown in the southern Italian province of Calabria, as well as other citrus-producing locations around the world.