La Seu d'Urgell
In the north, La Seu d'Urgell has borders with the municipality of les Valls de Valira, to the west with Montferrer i Castellbò where there is La Seu d'Urgell Airport (also known as Andorra-Pirineus airport), to the south-west with Ribera d'Urgellet, to the south-east with Alàs i Cerc, and to the north-east with Estamariu.