What nationality does BN(O): British National (Overseas) holder belong to?

Question

What should a BNO holder answer when asked for his/her nationality? Is BNO holder a British national or citizen? Can he/she call himself/herself a British?

Does a BNO holder need a visa to enter the United Kingdom and other countries in Europe??? Also Australia and New Zealand?

Answer 1

A BN (O) passport holder is a British citizen and he needs no visa to enter the UK, Australia and New Zealand.