Stamp set
75th Anniversary of Universal Postal Union (U.P.U.)
Historical & Philatelic Facts
Globe and Transport
The Universal Postal Union (UPU, French: Union postale universelle) is a specialized agency of the United Nations (UN) that coordinates postal policies among member nations and facilitates a uniform worldwide postal system. It has 192 member states and is headquartered in Bern, Switzerland. Established in 1874 as the General Postal Union, the UPU is among the oldest extant intergovernmental organizations.