GHY

GHY or Ghy may refer to:

Gibbons-Hawking-York boundary term, a mathematical expression in general relativity for space-times with boundary Grand Hotel Yerevan, a hotel in Yerevan, Armenia German Sky Airlines, a defunct airline from Germany, by ICAO code; see List of defunct airlines of Germany Guwahati railway station, a train station in Guwahati, Assam, India Glen Huntly railway station, a train station in Glen Huntly, Victoria, Australia Grokhovskyite, a mineral; see List of mineral codes