Avenida Libertador General Bernardo O'Higgins, popularly known as 'La Alameda', is the main avenue of Santiago, Chile. It runs east-west in the centre of the greater urban area and is 7.77 km (4.83 mi) long, and it has up to 5 lanes in each direction. It was named after Chile's founding father Bernardo O'Higgins. It was originally a branch of the Mapocho River.

Santiago, also known as Santiago de Chile, is the capital and largest city of Chile and one of the largest cities in the Americas. It is located in the country's central valley and is the center of the Santiago Metropolitan Region, which has a population of seven million, representing 40% of Chile's total population. Most of the city is situated between 500–650 m (1,640–2,133 ft) above sea level.