Visa requirements for British Nationals (Overseas)
Visa requirements for British Nationals (Overseas) are administrative entry restrictions by the authorities of other states and territories placed on British National (Overseas) passport holders. British National (Overseas) status was available only to eligible Hong Kong residents who voluntarily registered before the 1997 handover.
Source: Wikipedia — Visa requirements for British Nationals (Overseas) (CC BY-SA 4.0)