Barrio de Analco Historic District is a historic district in Santa Fe, New Mexico that includes what are claimed to be the oldest house and the oldest church in the United States. It includes seven historic structures as well as other structures in between them. The name "Analco" comes from the Nahuatl language spoken by the Tlaxcalteca Indians that accompanied the Spanish. "A" = water + "nal" = next to + "co" place of = next to the water (in this case a stream).The seven historic structures are: The district was declared a National Historic Landmark in 1968. The district is at the intersection of East De Vargas Street and College Street in Santa Fe.