thumb|250px|The lands of Isla del Laja roughly corresponds to where its written Los Ángeles.Isla del Laja (lit. Island of the Laja) is an old name for a strip of land between two rivers in Central Chile. Isla del Laja is the land between the banks of Laja River in the north and Bío Bío River in the south. Prior to 1791 Isla del Laja was also a corregimiento, an administrative division of Colonial Chile.