The UN banned the play Cardenio in 2001

Cardenio and Henry VIII were among Shakespeare's last plays, co-written with John Fletcher. They were written around 1612 or 1613.

east coast in the mountains with cardenio hiding from everybody.

At least one of Shakespeare's plays which is now lost was called Cardenio (based on Cervantes' Don Quixote). Another is a sequel to Love's Labour's Lost called Love's Labour's Won.
Shakespeare certainly wrote a play called Cardenio, which took its story from Cervantes' Don Quixote, which was a new book at that time. However, no copy of Cardenio exists, so it is lost.

There may have been several of Shakespeare's plays which have not survived, but we know the titles of two of them, Cardenio and Love's Labour's Won. Cardenio was a late play, based on Don Quixote by Cervantes. Love's Labour's Won was a sequel to Love's Labour's Lost.