Quilpué is a city and capital of the Marga Marga Province in central Chile's Valparaíso Region. It is part of the Greater Valparaíso metropolitan area. It is widely known as "City of the Sun" and the urban part of it also comprises the town of El Belloto, an area that showed rapid growth in the late 1990s.

The Valparaíso Region is one of Chile's 16 first order administrative divisions. With the country's second-highest population of 1,790,219 as of 2017, and fourth-smallest area of 16,396.1 km2 (6,331 sq mi), the region is Chile's second most densely populated after the Santiago Metropolitan Region to the southeast. The region also includes Chile's remote islands of the Pacific Ocean, including Rapa Nui and the Juan Fernandez Islands.