KREH (branded as Radio Saigon Houston) is a Vietnamese language AM radio station, licensed to Pecan Grove, Texas, United States. KREH's studios are in Little Saigon and in the International District in Houston, Texas. It broadcasts on the frequency of 900 kHz and operates from sunrise to sunset under ownership of Bustos Media. It is one of only two Asian stations serving the Greater Houston area. KREH has been operating in the Houston area since 1999; it was moved there from Oakdale, Louisiana, where it was established in 1953.