Stating that referendums are possible at a sub-national level does not answer the question as to the precise level at which they can be held. Referendums may be solely regional, solely local, or both, not to mention the fact that they can be held at intermediary levels. Firstly, this depends to a large extent on the types of territorial authorities within a state, since provincial referendums, for instance, are only conceivable in those states that have provinces.