Under the guidance of ECCOFORT, the surprisingly high density and distribution of the fortress architecture in Europe is being investigated. Observation periods are the epochs according to typification, from the Roman Limes to the Iron Curtain. For the Central European region ECCOFORT e.V. develops in 2013 for the first time a map of the cultural heritage fortress monuments, which is continually updated.
It concentrates on the phase between the late Middle Ages and the modern era. The researches are currently underway for Western Europe and fortifications of the 20th century.