Although the classic definition of DX is distance

Although the classic definition of DX is "distance", today irf950

  it generally means contacting amateur radio stations in far-away places. On the HF (also known as shortwave) bands, DX stations are those in foreign countries. On the VHF/UHF bands, DX stations can be G50N60

  within the same country or continent, since making a long-distance VHF contact, without the help of a satellite, can be very difficult.For award purposes, other areas than just political countries can be classified as "DX countries". M51995AFP

  For example, the French protectorate of Reunion Island in the Indian Ocean is counted as a DX country, even though it is a region of France. The rules for determining what is a DX country can be quite complex and to avoid potential confusion, 2SC3102

  radio amateurs often use the term entity instead of country. In addition to entities, some awards are based on island groups in the world's oceans. On the VHF/UHF bands, many radio amateurs pursue awards based on Maidenhead grid locators.For the most rare locations, E13005-2

  DX-peditions are often organized to allow radio amateurs to work a new one.There are frequent contests where radio amateurs operate their stations on certain dates for a fixed period of time to try to communicate with as many DX stations as possible.