Andorra, Liechtenstein, Monaco, Malta, San Marino, Sovereign Order of St. John, and Vatican City are the recognized microstates of Europe, but this is the official list and the list that has been written by the powers that won the last great war.
There are a number of regions that want independence, but cannot get it because of the Oligarchs of this world.
The secret of gaining economic independence is to become a legal entity a legal state. It is to define the measures of economy rather to be enslaved by it.