The provided source material does not contain information regarding a city named Kepi in Indonesia. Instead, the text identifies "kepi" as a type of headwear characterized by a flat circular top and a peak or visor.
The term is a loanword from French derived from the Alemannic German word for cap. In Europe, the kepi is primarily associated with military and police uniforms, while in North America, it is most notably linked to the American Civil War.