The Onix Hotel is situated at three kilometres from Viseu - The Garden City, just between the Serra da Estrela and Serra do Caramulo, intersection of the major and ancient Roman trails.
It is also the birthplace of the hero Viriato and it is well known for its Cathedral and for the Grão Vasco Museum, where are some of the most beautiful work of art of the fifteen century and an important collection of Sacred Art.
Viseu is a city rich of historical monuments and famous for its gastronomy and for its wine: The Dão Wine.