[2][3] Construction of the line finally began at this area on October 15, 1996 as the MRT III project, under a BLT contract awarded to the Metro Rail Transit Corporation (MRTC), led by a consortium of local companies.

[4] The station was opened on December 15, 1999, as part of MRT's initial section from North Avenue to Buendia.

[5] Its nearest landmarks include Camp Aguinaldo, the Armed Forces of the Philippines and Department of National Defense main headquarters; Camp Crame, the Philippine National Police's main headquarters; V.V.

A terminal of jeepneys bound for the Greenhills shopping district is located at the intersection of EDSA and Annapolis Street.

A portion of the northbound platform of the station leading to the emergency stairs is utilized as an access point to the Santolan bus stop of EDSA Carousel, located north of the station and at the center island of EDSA.