Firq Air Base/Nizwa Airport was an airport serving the city of Nizwa in Oman.
Per Google Earth historical imagery, the runway was demolished sometime after 2009.Google Maps - Firq AB
See also List of airports in Oman Transport in Oman
References
External links OurAirports - Oman Great Circle Mapper - Nizwa Accident history for Firq Air Base at Aviation Safety Network