The West Bank exists. Currently, there is a Palestinian executive under full control in the so-called A zones there. That could be considered as part of a internationally recognised Palestinian state, although very small in size.
Under Oslo, the B and C zones are also belonging to the Palestinians, but these are illegally contested by Israeli settlements and the fact that they are controlled by the Israeli military.
The West Bank exists. Currently, there is a Palestinian executive under full control in the so-called A zones there. That could be considered as part of a internationally recognised Palestinian state, although very small in size.
Under Oslo, the B and C zones are also belonging to the Palestinians, but these are illegally contested by Israeli settlements and the fact that they are controlled by the Israeli military.