GGA stands for:

  • Göttingische scholars ads, existing since 1739 magazine
  • The former Institute for Applied Geosciences, see Leibniz Institute for Applied Geophysics
  • Great community antenna system, are often a technically advanced home antenna installations for hotels, high-rise buildings and roads. These devices were the forerunners of the later cable television.

PGI stands for:

  • Protected geographical indication

Gga stands for:

  • Good game all, see computer gaming jargon
  • Disambiguation
  • Abbreviation