Anglesey Archives is located on the Bryn Cefni Industrial Estate in Llangefni. The service holds a vast array of records relating to the history of Anglesey. Its main holdings include the records of Quarter Sessions, local authorities, parish records, education and businesses, crew lists, newspapers and other public and private collections. The new Anglesey Archives was officially launched on 30th September 2011 and opened for public use on 3rd October 2011.