Santa Coloma d'Andorra, also known as Santa Coloma, is an Andorran town in the parish of Andorra la Vella, located near the Gran Valira ri…Santa Coloma d'Andorra, also known as Santa Coloma, is an Andorran town in the parish of Andorra la Vella, located near the Gran Valira river and 2 km away from the capital, Andorra la Vella. To its west are the mountain villages of Aixàs and Bixessarri in Andorra, and Os de Civís in Spain.