The Flag of the Maule Region features a white background with the Coat of arms in the centre. The coat of arms showcases elements of the regional identity through its four distinct fields.
The Flag of O'Higgins Region features a white background with a Rectangle icon in the centre with 'Región del Libertador General Bernardo O'Higgins' under the Rectangle.
The Flag of Los Ríos Region was officially adopted by the Regional Government on the 22nd of December 2008. the flag consists of a white background, which have three wavy stripes and twelve stars.
The flag of Magallanes y la Antártica Region was officially adopted on the 5th of February 1997 by the regional government in conjunction with the Regional Coat of Arms.