This article covers the electoral division of Chile, which involves two distinct systems: The article includes lists of the various electoral structures and divisions in Chile.
The voting results are for the 13 December 2009 Chamber of Deputies election.
Each region constituted a senatorial constituency, except for the Valparaíso, Santiago, Maule, Biobío, and La Araucanía regions, which were each divided into two senatorial constituencies.
[5] The number of regional advisors each constituency elects depends on its population.
The following five provinces are divided into two to six provincial constituencies, each containing a number of communes:[6]