The Historical Archive is owned by the Municipality of Lanciano and is preserved  in an elegant building located in Via Cavour n. 6. After a long process of document recovery  started in 1990, thanks to a computerised catalogue, it is possible to access the well classified and ordered documents and records on the shelves. Among the countless documents, in addition to the historical archive, there are the deposit archive, the current archive and the historical registry, moreover the structure houses documents of particular importance such as the Sargiacomo Archive.