page_title: List of regions on Io
hierarchical_section_title: List of regions on Io
caption_attribution_description: English: Base map of Jupiter's moon Io created from Voyager and Galileo imagery. Original map created by the USGS Astrogeology group in Flagstaff, Arizona. Labels for regions on Io added by Submitter.
context_page_description: This is a list of named regions on Jupiter's moon Io. These names have been approved for use by the International Astronomical Union. The features listed below represent a subset of the total known bright regions on Io's surface with many currently not having an officially approved name. These areas are large-scale regions on Io's surface that are notable for their difference in brightness or color from their surroundings. In most cases, these areas are bright terrains, consisting of sulfur dioxide frost/ice fields, suggesting that they are colder than their surroundings.
  The names of regions on Io use a combination of a name derived from locations in Greek mythology associated with the nymph Io or Dante's Inferno, or from the name of a nearby feature on Io's surface and the descriptor term, regio, Latin for region. Coordinate, diameter, and name source below come from the IAU's Solar System Nomenclature Website.
  See also the list of mountains on Io and the list of volcanic features on Io.
context_section_description: This is a list of named regions on Jupiter's moon Io.  These names have been approved for use by the International Astronomical Union.  The features listed below represent a subset of the total known bright regions on Io's surface with many currently not having an officially approved name.  These areas are large-scale regions on Io's surface that are notable for their difference in brightness or color from their surroundings.  In most cases, these areas are bright terrains, consisting of sulfur dioxide frost/ice fields, suggesting that they are colder than their surroundings.
  The names of regions on Io use a combination of a name derived from locations in Greek mythology associated with the nymph Io or Dante's Inferno, or from the name of a nearby feature on Io's surface and the descriptor term, regio, Latin for region.  Coordinate, diameter, and name source below come from the IAU's Solar System Nomenclature Website.
  See also the list of mountains on Io and the list of volcanic features on Io.
caption: Map of Io's surface with named regions labeled
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