Alderney is a suburb of the town of Poole in Dorset, England, south of Wallisdown and west of Alder Hills.

[citation needed] Bourne Valley nature reserve is a Site of Special Scientific Interest (SSSI).

[6][failed verification] Many of the street names in the estate were themed around the Channel Islands[7] Later, more housing was added, generally bungalows.

[citation needed] In 2023, 24 homes for homeless people were opened on the grounds of the former Bourne Valley Community Centre.

[11] Alderney Manor Community Centre is a social venue which holds classes and events and can be hired out by organisations and members of the public.

[citation needed] The electoral ward was Poole's second most densely populated area with 31 people to each hectare (2.5 acres) and suffers much higher than average levels of poverty, illiteracy and crime.