The Museo d'arte is a museum for modern and contemporary art. It is in Avellino, Italy. The museum was opened on 2 January 1995. It was developed from the private gallery of O. Stefano into a museum open to the public. The design for the museum building was ready in September 1993. It was finished in December 1994. The museum has a library and a documentary film library. It plays video documentaries and speeches by famous art critics.