Johnson Square is one of the squares of Savannah, Georgia, United States. Located in the northernmost row of the city's five rows of squares, it was the first of the squares to be laid out, in 1733, and remains the largest of the 22 squares. It is east of Ellis Square, west of Reynolds Square and north of Wright Square. Situated on Bull Street and St. Julian Street, it is named for Robert Johnson, colonial governor of South Carolina and a friend of General James Oglethorpe. The oldest building on the square is the Ann Hamilton House, at 26 East Bryan Street, which dates to 1824.