ZR

ZR, Zr, or zr may refer to:

Places by code

  • Zaire, a central African country, 1971–1997 (reserved in ISO 3166), now Democratic Republic of the Congo
  • Zrenjanin, a city in Serbia (on car license plates)

Science and technology

  • Zirconium, symbol Zr, a chemical element
  • Zona reticularis, an anatomical feature of the adrenal cortex
  • .zr, an abolished Internet top-level domain, for Zaire (now replaced by .cd, for Democratic Republic of the Congo)

Transport

Aviation

Land transport

Other uses