What is the difference between criminal jurisdiction and criminal venue?

In layman's terms...... Criminal jurisdiction is the "area" in which charges can be brought & heard or tried.

The venue is what's referred to as the"court location" or "area" in which the proceedings do , can, or actually occur in.

They are often one and the same, but when for reasons of local sentiment and publicity, it may be necessary for the defense to request a different venue, a judge & prosecutor may also deem or request such remedy accordingly.