Arpa and ARPA may refer to:
  • Arpa River
    Arpa River
    The Arpa is a river that flows through Armenia and Azerbaijan's Nakhichevan exclave. It originates in the Vayots Dzor province of Armenia and serves as a left tributary of the Aras River...

     in Armenia
  • Areni
    Areni is a village in the Vayots Dzor Province of Armenia. It is best known for its wine production, although the majority of wine produced locally is from the nearby village of Getap. The church of S. Astvatsatsin is a single-nave two-aisled domed Armenian church completed in the year 1321, and...

    , Armenia - formerly called Arpa
  • Arpi, Armenia
    Arpi, Armenia
    Arpi is a town in the Vayots Dzor Province of Armenia.- References :* –

    , also called Arpa
  • Turkish for Akhurian River
    Akhurian River
    The Akhurian, Akhuriyan, Akhuryan or Akhouryan is a river in the South Caucasus. It originates in Armenia and flows from Lake Tseli south, along the border with Turkey, forming part of the geographic border between the two states, until it flows into the Aras River as a left tributary near Bagaran...

     in Turkey and Armenia
  • Italian for harp
    The harp is a multi-stringed instrument which has the plane of its strings positioned perpendicularly to the soundboard. Organologically, it is in the general category of chordophones and has its own sub category . All harps have a neck, resonator and strings...

    , sometimes used in scores

  • Advanced Research Projects Agency, renamed the Defense Advanced Research Projects Agency (DARPA) in 1972
  • Advanced Research Projects Agency-Energy (ARPA-E
    ARPA-E, or Advanced Research Projects Agency-Energy is a United States government agency to promote and fund research and development of advanced energy technologies...

    ), created in 2007, an agency within the US Department of Energy
  • Agenzie Regionali per la Protezione Ambientale
    Agenzie Regionali per la Protezione Ambientale
    The Agenzie Regionali per la Protezione Ambientale are the Italian environmental protection agencies, one for each region of Italy .-Purposes:The agencies are under regional or provincial administration and their main role is the...

    , the Italian environmental protection agencies.
  • .arpa
    The domain name arpa is a top-level domain in the Domain Name System of the Internet. It is used exclusively for technical infrastructure purposes...

    , top-level domain name, the acronym for the Address And Routing Parameter Area of Internet infrastructure
  • Automatic Radar Plotting Aid
    Automatic Radar Plotting Aid
    A marine radar with automatic radar plotting aid capability can create tracks using radar contacts. The system can calculate the tracked object's course, speed and closest point of approach , thereby knowing if there is a danger of collision with the other ship or landmass.Development of ARPA...

  • Average Revenue Per Advertiser
  • Archaeological Resources Protection Act of 1979
    Archaeological Resources Protection Act of 1979
    The Archaeological Resources Protection Act of 1979 , also referred to as ARPA, is a federal law of the United States passed in 1979 and amended in 1988...

  • ARPA – Aerolíneas Paraguayas
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