Question: What type of district does Electoral district of Ashford and Keswick, South Australia have in common?

Context paragraphs:
Colombo East Electoral District: Colombo East electoral district was an electoral district of Sri Lanka between July 1977 and February 1989.  The district was named after the city of Colombo in Colombo District, Western Province.  The district was created by the division of the Colombo South Electoral District into Colombo East and Colombo West electoral districts in July 1977.  The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament.  The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Colombo East electoral district was replaced by the Colombo multi-member electoral district at the 1989 general elections, the first under the PR system, though Colombo East continues to be a polling division of the multi-member electoral district.

Electoral district of Kaurna: Kaurna is an electoral district of the House of Assembly in the Australian state of South Australia.  Named after the Kaurna aboriginal tribe which originally inhabited the Adelaide plains, it is a 52.7 km² semi-urban electorate on Adelaide's far-southern beaches, taking in the suburbs of Aldinga Beach, Maslin Beach, Moana, Port Noarlunga, Port Noarlunga South, Port Willunga, Seaford, Seaford Meadows and Seaford Rise as well as parts of Aldinga and Christies Beach.  It is one of only two state districts named after South Australia's indigenous people (the other being the Electoral district of Narungga).

Colombo West Electoral District: Colombo West electoral district was an electoral district of Sri Lanka between July 1977 and February 1989.  The district was named after the city of Colombo in Colombo District, Western Province.  The district was created by the division of the Colombo South Electoral District into Colombo East and Colombo West electoral districts in July 1977.  The 1978 Constitution of Sri Lanka introduced the proportional representation electoral system for electing members of Parliament.  The existing 160 mainly single-member electoral districts were replaced with 22 multi-member electoral districts. Colombo West electoral district was replaced by the Colombo multi-member electoral district at the 1989 general elections, the first under the PR system, though Colombo West continues to be a polling division of the multi-member electoral district.

Electoral district of Ashford: Ashford is an electorate for the South Australian Legislative Assembly which includes many of Adelaide's inner south western suburbs.  The district forms part of three federal electorates: the Division of Hindmarsh, the Division of Boothby, and the Division of Adelaide.  The electorate includes the suburbs of Ashford, Black Forest, Camden Park, Clarence Gardens, Clarence Park, Cumberland Park, Everard Park, Forestville, Glandore, Keswick, Kings Park, Novar Gardens and Plympton as well as parts of Edwardstown, Goodwood, Millswood, Plympton Park, South Plympton and Wayville.  The electorate covers an area of approximately 14.6 km².

Electoral district of Emerald Hill: Emerald Hill was an electoral district of the Victorian Legislative Assembly, Australia.  It covered part of the inner-city suburb South Melbourne and consisted part of the previous Electoral district of South Melbourne which was abolished in 1859.  (The other part of the South Melbourne electorate became the Electoral district of Sandridge).

Division of Adelaide: The Division of Adelaide is an Australian electoral division in South Australia and is named for the city of Adelaide, South Australia's capital.  The 76 km² seat is centred on the Adelaide city centre and spans from Grand Junction Road in the north to Cross Road in the south and from Portrush Road in the east to South Road in the west, taking in suburbs including Ashford, Clarence Park, Enfield, Goodwood, Kent Town, Keswick, Kilburn, Maylands, Northgate, Norwood, Parkside, Prospect, Rose Park, St Peters, Toorak Gardens, Unley and Walkerville.

Electoral district of Broken Hill: Broken Hill was an electoral district of the Legislative Assembly in the Australian state of New South Wales.  From 1894 to 1913, the Broken Hill district was covered by the electoral districts of "Broken Hill", Willyama and Sturt.  In the 1912 redistribution, the electoral district of "Broken Hill" was abolished and absorbed into "Willyama" and "Sturt".  In 1920, "Willyama", "Sturt" and the electoral district of Cobar were combined to create a three-member "Sturt".  In 1927, single-member electorates were recreated and the city of Broken Hill was split between "Sturt" and Murray.  From 1932, the city of Broken Hill was split between "Sturt" and Cobar.  In 1968 "Sturt" was renamed Broken Hill and included all of the city of Broken Hill.  In 1999, it was merged with part of "Murray" and renamed the electoral district of Murray-Darling.

Electoral district of Braidwood: Braidwood was an electoral district of the Legislative Assembly in the Australian state of New South Wales between 1859 and 1904, which included the town of Braidwood.  It replaced parts of the electoral district of United Counties of Murray and St Vincent and the electoral district of Southern Boroughs.  In 1904 it was largely absorbed into the electoral district of Queanbeyan.

Keswick, South Australia: Keswick( ) is an inner south-western suburb of Adelaide, adjacent to the park lands, and located in the City of West Torrens.

Electoral district of Queanbeyan: Queanbeyan was an electoral district of the Legislative Assembly in the Australian state of New South Wales from 1859 to 1913, in the Queanbeyan area.  It replaced parts of the electoral district of United Counties of Murray and St Vincent and the electoral district of Southern Boroughs.  It was merged with the electoral district of Monaro in 1913, when much of its former territory had been absorbed in the Australian Capital Territory.

Supporting paragraphs: Electoral district of Ashford Keswick, South Australia
Answer: suburb