Fuencalderas is a village of the autonomous community of Aragon, in Spain, in the comarca (county) of the Cinco Villas (“Five Villages”), in the province of Zaragoza. Until 1975 was an independent municipality, year in which was fused with the municipality of Biel, giving place to the municipality of Biel-Fuencalderas. In 1996 step to be constituted as "Lower Local Entity" ("Entidad Local Menor") within the same municipality (later, in 1998, the municipality Biel-Fuencalderas changed his name for that one of Biel).
Area details and town have been extracted of sources and, respectively.
The municipal district of Fuencalderas this situated in the northeast of the Aragonese comarca of Cinco Villas. Is spread in the aspect south of the mountain called "Sierra of Santo Domingo", which is part of Pyrenean foothills called Pre-Pyrenees," , in an area situated between basins of the rivers Gállego, to the east, and Arba de Biel, to the west. It has an area of 36 km².
The village center is accessed to through the road A-1202 of Ayerbe to Sádaba. Fuencalderas is situated to 6 km from Biel, 18 km of Santa Eulalia de Gállego, 26 km of Ayerbe, 55 km from Huesca and 105 km of Zaragoza.
The village center this situated to 842 metres of altitude, situating his municipal field between 650 metres on the sea level of the “Chabastre" and the 1.329 of "A Ralla d'as Pauletas".
The conquest of the county by Aragonese Christians was in the 10th century, although the name of “Fonte Calderas” (“Hot Source”) does not appear until 1137 in a donation by the Aragonese king Ramiro II "The Monk". As a result of the conquest a defense tower was built in the place called the “Pacatorre”, to whose protection began to form Fuencalderas.