The Nicoliano Museum , located in Bari, Italy, is a museum that was opened on February 6, 2010 and contains a collection of treasures and relics that chart the history of the Church of San Nicola. It forms part of the castle of the same name with the Nikolai Studies Center. It is an essential study facility for all those interested in the history of the saint and the city of Bari itself from antiquity to historical times such as Byzantine, Norman, Aragonese and others. The masterpieces preserved in the museum include engravings, manuscripts, miniature icons (preserved in the precious church archive), vitreous ceramics, emblems, relics, grottos, silverware, paintings, and sacred vestments.