Which South American capital contains the Palacio de López?

The South American capital containing the Palacio de López is Asunción, Paraguay.

The Palacio de los López, officially the Palacio de Gobierno, stands in central Asunción overlooking Asunción Bay on the Paraguay River. It serves as the workplace of Paraguay’s president and as a seat of government, making it one of the city’s most recognizable landmarks. The president does not currently use it as a private residence.

Construction began in 1857 under the direction of English architect Alonso Taylor. Carlos Antonio López commissioned the building for his son, Francisco Solano López, but the War of the Triple Alliance disrupted the project. Although the palace was nearly complete by 1867, Francisco Solano López never lived there.

The building was damaged and looted after Allied forces captured Asunción in 1869, then used as a military headquarters during the occupation. Restoration and completion followed in the 1890s. Its neoclassical design, riverside setting, and political history connect it specifically with Asunción—not Quito, Lima, or Santiago.