Dominating the Channel of Berdún in his stretch zaragozano, the helmet urban of Mianos rises in a small hillock that discovers almost all his municipal term. The river bed of the river Aragon constitutes his a north limit, and on the south they emphasize the heights of Noble Rock, with his 1.076 m. of altitude.

The municipal term of Mianos keeps natural elements of big interest, changed like his geography. Natural forests and of repopulation they cover most of south half of the term, her more mountainous and abrupt; remains of the ancient carrascales survive in the central area, on both sides of the Milky Way, intermingled with the breeding grounds; and valuable natural copses mark out the shores of the river Aragon.

From an ecclesiastic point of view, it belongs to the diocese of Pony that, in turn, is part of the archdiocese of Pamplona. Without I impede, until 1785 it was part of the diocese of Pamplona. It is assigned in Arciprestazgo de Berdún. His inhabitants receive the nickname from persons from Madrid or matraleros

In the part more high of city center lifts the parochial church of Santa Ann, this way like the remains of an ancient fortified palace. Of the interior of temple emphasizes his beautiful reredos dedicated to San Sebastian, two sizes medieval from the Virgin of the Arch and from Our Lady of the Castle and the worn out panelled ceilings that decorate the covering and the high choir, of the latter sound also worth appreciating his panels decorative. His front presents a semicircular arch with baquetones Gothic and Renaissance auction.

Covering his streets we can appreciate numerous stately houses with escutcheons and shields in his access doors, marking it importance of the area centuries behind.

In the last years of the XXth century and the first of the XXIst century, Mianos, with other Towns of his environment, like Artieda or Sigüés, is threatened by the projected regrowth of the reservoir of Yesa, project that has received a strong social and political answer in the area

Holidays: Pilgrimage to the chapel of the Virgin of the Casterillo on the 3rd of May. Corpus Christi in June. The management holidays in honor to Santiago and Santa Ann, on July 25 and 26. (ftes and text to see links)