The Arc's first point is located in Tartu Observatory in Estonia, where Struve conducted much of his research.

In 2005, the chain was inscribed on the World Heritage List, because of its importance in geodesy and its testimony to international scientific cooperation.

[2] The World Heritage site includes 34 commemorative plaques or built obelisks out of the original 265 main station points which are marked by drilled holes in rock, iron crosses, cairns, others.

[1] This inscription is located in ten countries, the second most of any UNESCO World Heritage after the Ancient and Primeval Beech Forests of the Carpathians and Other Regions of Europe.

[1][3] The measurements of the 30° Meridian Arc in 1816–1852 as well the description of the geodesic, topographical, and map making works in the Balkans from the nineteenth century until the beginning of the twentieth century by Russian Czarist Army was described in Astronomy, geodesy and map- drawing in Moldova since the middle ages till the World War I.