Administration
The commune is governed from Puerto Williams in the Cabo de Hornos commune from its municipal office located at O'Higgins 165. Chilean law allows a municipality to govern more than one commune, however, this is the only such case. As a commune, Antártica is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years. The 2008-2012 alcalde is Hugo Henriquez Matus (PRSD).
Within the electoral divisions of Chile, Antártica is represented in the Chamber of Deputies by Carolina Goic (PDC) and Miodrag Marinovic (Ind.) as part of the 60th electoral district, which includes the entire Magallanes y la Antártica Chilena Region. The commune is represented in the Senate by Carlos Bianchi Chelech (Ind.) and Pedro Muñoz Aburto (PS) as part of the 19th senatorial constituency (Magallanes y la Antártica Chilena Region).
Read more about this topic: Chilean Antarctic Territory