Plaza del Emperador Carlos V (Emperor Charles V square) is a square in the city of Madrid
. It is named after Charles V, Holy Roman Emperor, who also reigned in Spain
as Charles I. However, it is commonly referred to as Plaza de Atocha, because it is where Atocha railway station is located. Other important landmarks of the square are the Museo Nacional Centro
de Arte Reina Sofía and the building of the Spanish Ministry of Agriculture, as well as a statue of 19th century politician Claudio Moyano. The square, which has a long rectangular shape, has a large roundabout at one of its ends, in the centre of which is one of two fountains in Madrid known.