See decaf coffee guide. There are two types of coffee. There is the kind that has caffeine while there are those that are decaffeinated. Both these varieties come from the same beans. The difference is in the process of removing it.
The term decaffeinated is a misconception because there is still 3% in the coffee beans. [...]

There have been many legends and stories about the origin of what would now be considered one of the most favoured beverages in the world. While coffee was first believed to have originated in the Middle East, more recent evidence suggests that the drink’s unique properties were first discovered in Ethiopia, and carried from there [...]