Monte d'Oiro Wine Hotel competition advance registration deadline is approaching! By Sponsor| Monte d'Oiro Wine Hotel competition advance registration deadline is approaching! Monte d'Oiro Wine Hotel competition is the second in a series of competitions set in Portugal and in collaboration with Quinta do Monte D’Oiro, a family wine project located in the Lisbon Wine Region. Quinta do Monte d’Oiro has been known for its idyllic wine-making conditions since the 17th century, with a privileged terroir resting on clay-limestone soils and with the influence of Atlantic winds. This unique combination has created wines with a great freshness, elegance, and balance for years.