Attapu (also Attopeu, Lao ອັດຕະປື) is a province of Laos, located in the south-east of the country. Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. ... Population density can be used as a measurement of any tangible item. ... ISO 3166-2 is the second part of the ISO 3166 standard. ... A geocode is a geographical code to identify a point or area at the surface of the earth. ... Image File history File links Map of Laos highlighting the province Attapu File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ...