Plaza Olivia Salamanca, also known simply as Plaza Salamanca, is a public square in Ermita, Manila, bounded by Taft Avenue to the east, Teodoro M. Kalaw Avenue to the north and General Luna Street to the west. It is dedicated to Olivia Salamanca, one of the Philippines' first female physicians, with a historical marker dedicated to her being installed in 1955.

Central United Methodist Church is the first Protestant church in the Philippines, located along T.M. Kalaw Street, Ermita, Manila. Founded on 5 March 1899 during the American Occupation, it was originally named Central Methodist Episcopal Church. The church was originally designed by Juan Arellano.