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| Constituencies of Denmark | |
|---|---|
| Category | Electoral district |
| Location | Denmark |
| Number | 12 |
| Government | |
Constituencies (Danish: valgkredse) are used for elections to the Folketing, the national parliament of Denmark. Denmark proper is divided into 10 constituencies largely corresponding to the Provinces of Denmark, (which themselves are statistical divisions of the regions of the country) each electing multiple members using open-list proportional representation. Those constituencies are then divided into 92 opstillingskredse (nomination districts) which mainly serve the purpose of nominating candidates, but historically functioned as single-member constituencies electing one member using plurality voting. The Faroe Islands and Greenland are each a constituency, electing the North Atlantic mandates (da).
The following is the list of constituencies used from 2007 onwards.
The Faroe Islands has been one single constituency since 1850. Since 1947 it has elected two members using proportional representation. Greenland has been represented by two members since 1953. Prior to 1975, it was divided into two single-member constituencies.
From the April 1920 Danish Folketing election until the reforms creating the current regions of Denmark in 2007, the constituencies were largely based on the counties. Each of the counties formed county constituencies (Danish: amtskredse). Bornholm remained a county constituency after it became a municipality with county functions in 2003. The exception was Copenhagen (Copenhagen and Frederiksberg Municipalities), which was divided into 3 regional constituencies (Danish: storkredse), the term used for constituencies throughout the country from 2007 onwards.
The following constituencies were used in the elections between 1971 and 2005.

| Constituency | Counties | Constituency seats (2005) |
|---|---|---|
| Søndre Storkreds | Copenhagen Municipality (part) | 4 |
| Østre Storkreds | Copenhagen Municipality (part) | 6 |
| Vestre Storkreds | Copenhagen Municipality (part) and Frederiksberg Municipality. | 4 |
| Copenhagen County | Copenhagen | 14 |
| Frederiksborg | Frederiksborg | 9 |
| Roskilde | Roskilde | 5 |
| Vestsjælland | West Zealand | 8 |
| Storstrøm | Storstrøm | 7 |
| Bornholm | Bornholm | 2 |
| Fyn | Funen | 12 |
| Sønderjylland | South Jutland | 7 |
| Ribe | Ribe | 6 |
| Vejle | Vejle | 9 |
| Ringkøbing | Ringkjøbing | 7 |
| Århus | Aarhus | 16 |
| Viborg | Viborg | 6 |
| Nordjylland | North Jutland | 13 |
The following constituencies were used in the elections between 1920 and 1968.

| Constituency | Counties | Constituency seats (1968) |
|---|---|---|
| Søndre Storkreds | Copenhagen Municipality (part) | 5 |
| Østre Storkreds | Copenhagen Municipality (part) | 10 |
| Vestre Storkreds | Copenhagen Municipality (part) and Frederiksberg Municipality. | 7 |
| Københavns Amt | Copenhagen | 15 |
| Frederiksborg | Frederiksborg | 5 |
| Holbæk | Holbæk | 4 |
| Sorø | Sorø | 4 |
| Præstø | Præstø | 4 |
| Bornholm | Bornholm | 2 |
| Maribo | Maribo | 4 |
| Odense | Odense | 7 |
| Svendborg | Svendborg | 5 |
| Hjørring | Hjørring | 6 |
| Thisted | Thisted | 3 |
| Ålborg | Aalborg | 7 |
| Viborg | Viborg | 5 |
| Randers | Randers | 5 |
| Århus | Århus | 6 |
| Skanderborg | Skanderborg | 4 |
| Vejle | Vejle | 7 |
| Ringkøbing | Ringkjøbing | 7 |
| Ribe | Ribe | 6 |
| Haderslev | Aabenraa, Haderslev, Sønderborg, Tønder | 7 |
The following districts were used as nominating districts between 1918 and 1968. In the 1918 election the districts outside of Copenhagen and Frederiksberg functioned as single-member constituencies, electing a single member. In 1950 four nomination districts were created in Copenhagen and Copenhagen County. 1953 one nomination district was created in Copenhagen County and two nomination districts in Copenhagen - Valby and Sundby - were divided into two new nomination districts. In 1966 two nomination districts were created in Copenhagen County.
Note that the nomination districts in Odense, Aalborg, and Århus were not officially distinguished in their name by anything but their number. Their relative geographical location have been added in parentheses for clarity.