Bergamot orange their similar aroma. "Citrus bergamia" has also been classified as "Citrus aurantium" subsp. "bergamia" (i.e. a subspecies of bitter orange). "Citrus bergamia" is sometimes confused with (but is not the same as): Production is mostly limited to the Ionian Sea coastal areas of the province of Reggio di Calabria in Italy, to such an extent that it is a symbol of the entire city. Most of the bergamot comes from a short stretch of land there, where the temperature is favourable. The fruit is also produced in Argentina, Brazil, Algeria, the Ivory Coast, Morocco, Tunisia, Turkey, and South-East Asia where
Bergamot essential oil known for more than a century. In 1925, Rosenthal coined the term "Berloque dermatitis" (from the French word "berloque" meaning trinket or charm) to describe the pendant-like streaks of pigmentation observed on the neck, face, and arms of patients. He was unaware that, in 1916, Freund had correctly observed that these pigmentation effects were due to sun exposure after the use of Eau de Cologne, a perfume infused with bergamot oil. Use of bergamot aromatherapy oil, followed by exposure to ultraviolet light (either sunlight or a tanning bed), has been reported to cause phytophotodermatitis, a serious skin inflammation indicated by