Biescas is located 875 m above sea level, on the banks of the Gállego River, constituting the gateway to the Tena Valley.
Distant 16 km from Sabiñánigo and 72 km from Huesca capital, it is an important communication junction between Jacetania and Alto Sobrarbe.
It is the point of connection with the valley of the Ara river through the mountain pass of Cotefablo, and the villa-bridge over the Gállego channel.

The municipality, which has an area of 189.09 km², counts according to the municipal register for 2017 of the INE with 1480 inhabitants and a density of 7.83 inhabitants / km².

Biescas is located at:

  • 140 km from Zaragoza
  • 290 km from Toulousse
  • 300 km from Bilbao
  • 310 km from Bordeaux
  • 335 km from Barcelona
  • 450 km from Madrid
  • 450 km from Valencia