Antiguo Cuartel Militar Español de Ponce

Antiguo Cuartel Militar Español de Ponce
Location of Ponce and the Antiguo Cuartel Militar Español in Puerto Rico
LocationCalle Castillo Final, Ponce, Puerto Rico
Coordinates18°00′55″N 66°36′30″W / 18.015201°N 66.608439°W / 18.015201; -66.608439
Arealess than one acre
Built1894
ArchitectSpanish Royal Corps of Engineers
Architectural styleNeoclassical and 19th Century Civil Architecture
MPS19th Century Civil Architecture in Ponce TR
NRHP reference No.87000772

The Antiguo Cuartel Militar Español de Ponce or El Castillo ('Old Spanish Military Headquarters in Ponce' or 'The Castle') is the only structure directly related to the events of the land defense of Puerto Rico during the 1898 American invasion of the Island. The historic building dates from 1894 and is located on Calle Castillo in Ponce, Puerto Rico, in the city's historic district. The structure was listed on the U.S. National Register of Historic Places on 14 May 1987.