title: SPZ
text: # SPZ
  
  SPZ may refer to:
  
  * sporadic permafrost zone, see Permafrost.
  * subparaventricular zone, a region of the hypothalamus critically involved in sleep/wake regulation
  * Silver Springs Airport, Nevada, USA - FID code SPZ
  * Springdale Municipal Airport, Arkansas, USA - IATA code SPZ
  * SPZ Group, owner of Sarm West Studios music company
  