The countries that have signed the convention agree to conserve the nature and culture of their countries, to implement protective legislation for conservation and so forth. The convention only addresses cultural expressions that are tangible, such as buildings, monuments and natural surroundings.
The World Heritage List is part of the convention. The list includes properties that are of “outstanding universal value” — also known as world heritage. There are a total of 1,007 world heritage properties.The World Heritage Convention was adopted by the UNESCO General Conference in 1972. Some 180 nations have signed the convention, which entails the obligation to protect world cultural and natural heritage. Sweden signed the convention in 1985. The Swedish government agencies in charge are the Swedish National Heritage Board and the Swedish Environmental Protection Agency.
See also the Nordic World Heritage Foundation website.