It is the largest commune in Chile in total area, and it is slightly larger than Armenia.

However, since 2010 the INE has conformed to the locally preferred, and overwhelmingly more frequently used, form Aysén.

[3] As a commune, Aysén is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years.

Within the electoral divisions of Chile, Aysén is represented in the Chamber of Deputies by René Alinco (PDC) and David Sandoval (UDI) as part of the 59th electoral district, which includes the entire Aysén del General Carlos Ibáñez del Campo Region.

The commune is represented in the Senate by Antonio Horvath Kiss (RN) and Patricio Walker Prieto (PDC) as part of the 18th senatorial constituency (Aysén del General Carlos Ibáñez del Campo Region).