Lo Barnechea is a commune of Chile located in Santiago Province, Santiago Metropolitan Region. It is home to some of Chile's fanciest neighborhoods comparable to Beverly Hills and River Oaks. The largest international school in Santiago, International School Nido de Aguilas is located in Lo Barnechea. The indigenous people of Lo Barnechea were called the Huaicoche in their Mapudungun language: Huayco, meaning flash flood, and che, for people .
As a commune, Lo Barnechea 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 Felipe Guevara Stephens (RN).Within the electoral divisions of Chile, Lo Barnechea is represented in the Chamber of Deputies by Cristián Monckeberg (RN) and Ernesto Silva (UDI) as part of the 23rd electoral district, (together with Las Condes and Vitacura).