Barrio de San Lázaro is one of the first neighbourhoods in Havana, Cuba. It initially occupied the area bounded by Calle Infanta to the west, Calle Zanja to the south, Calle Belascoáin to the east, and the Gulf of Mexico to the north, forming the western edge of Centro Habana. According to the 1855 Ordenanzas Municipales of the city of Havana, [1] Barrio San Lázaro was the Tercer Distrito (Third District) and was Barrio No. 8.