Main and Military Plazas Historic District is a historic district in San Antonio, Texas.

It was listed on the National Register of Historic Places in 1979, with a boundary increase in 2019.

[1] The area encompasses the old Presidio San Antonio de Béxar,[2] where the Spanish troops and the military governor of Texas were stationed.

[3] It includes the following separately-listed Registered Historic Places, one or more of which are National Historic Landmarks:

This article about a property in Texas on the National Register of Historic Places is a stub.