Naptha comes from the fractional distillation of crude oil. The process involves heating crude oil in a distillation tower to separate gasoline, butane, and propane. The end product is a highly-flammable liquid hydrocarbon mixture.
Additionally, naphtha can be produced from natural gas known as NGL ( natural gas liquid ) extraction. The processing of natural gas causes  NGL's separation into individual products such as naphtha.
Today, this multi-functional product comes from the top producers in the world such as the United States, Saudi Arabia, South Korea, Japan, China, and Russia.