The 23rd Multi-member Constituency (Bulgarian: 23-ти многомандатен избирателен район) is one of the five Bulgarian constituencies whose borders are different from the administrative division.
It comprises several regions in South-West and South-East Sofia.
In the 2009 Bulgarian parliamentary election the 23rd Multi-member Constituency – Sofia-23 elected 12 members to the Bulgarian National Assembly: 11 of which were by proportionality vote and 1 was by first-past-the-post voting.
2009 election