Palacio de la Marquesa de Sonora

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{{Infobox historic site

| name = Palace of the Marchioness of Sonora

| native_name = Palacio de la Marquesa de Sonora

| native_language = Spanish

| image = Palacio de la Marquesa de la Sonora (Madrid) 01.jpg

| caption =

| locmapin = Spain

| coordinates = {{coord|40.424157|-3.707538|display=inline,title}}

| location = Madrid, Spain

| area =

| built = 1745

| architect = Evaristo del Castillo

| architecture = Neoclassical

| governing_body =

| designation1 = Spain

| designation1_offname = Palacio de la Marquesa de Sonora

| designation1_type = Singular

| designation1_criteria = Monument

| designation1_date = 1995

| designation1_number = RI-51-0009109

}}

The Palace of the Marchioness of Sonora (Spanish: Palacio de la Marquesa de Sonora) is a palace located in Madrid, Spain.{{Cite web |url=https://www.mjusticia.gob.es/es/areas-actuacion/tesoros-ministerio-justicia/edificios/palacio-sonora |title=Palacio de Sonora |author= |date= |publisher=Ministerio de Justicia |accessdate=October 9, 2024 |language=es}}

The building was originally built for the Antonio José Álvarez de Abreu, 1st Marquess of Regalía in 1745. It was purchased by María de la Concepción Valenzuela, Marchioness of Sonora—third wifeJosué Barrera (ed.) (2021) El Marquesado de Sonora. Primera, IOB EDITORIAL. Primera. book. IOB EDITORIAL. https://sonorabooks.com.mx/wp-content/uploads/2021/09/el-marquesado-de-sonora-1-1.pdf of the 18th-century statesman, José de Gálvez, 1st Marquess of Sonora—who commissioned the reconstruction and extension of the palace by the architect, Evaristo del Castillo.Evaristo del Castillo López - Instituto de Estudios Madrileños (2024). https://xn--institutoestudiosmadrileos-4rc.es/portfolio_page/c-8-6-evaristo-del-castillo The building work was finished in 1828.TOVAR MARTÍN, VIRGINIA, El palacio del Ministerio de Justicia, Madrid: Ministerio de Justicia, 2004 (2ª edición aumentada y corregida de El palacio del ministerio de justicia y sus obras de arte, Madrid: Ministerio de Justicia, 1986).

Its current form is built of granite, red brick and Colmenar stone. It consists of three floors with a lobby and a large branching staircase and a main courtyard. There is a garage area at the back.{{Cite web |title=Palacio de Sonora |url=https://www.mjusticia.gob.es/es/areas-actuacion/tesoros-ministerio-justicia/edificios/palacio-sonora |access-date=2025-02-13 |website=www.mjusticia.gob.es}}

It was the headquarters of the Spanish Ministry of Justice.

It was recorded on the Spanish heritage register, Bien de Interés Cultural on 31 July 1995.Infanzón Priore, J.L. (2013) Protección del Patrimonio en el Marco del Sistema Jurídico. https://www.madrid.es/UnidadesDescentralizadas/UrbanismoyVivienda/Urbanismo/PGOUM/Publicaciones/DocTexto/AV_CATALOGO.pdf