 Córdoba St. starts near the river at Belgrano Avenue, by the National Flag Memorial, and climbs towards the core downtown area.It passes through the historical center of the city, marked by the legislative house (Palacio Vassallo), the Cathedral, the Central Post Office, the town hall (Palacio de los Leones), and Plaza 25 de Mayo.The street then becomes pedestrian-only for seven blocks, between Laprida St. and Paraguay St.