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The Demarcated Region of Vinhos Verdes spreads across 48 boroughs in the north-west of Portugal and it includes more than 22,000 producers. The region is limited to the north by the River Minho, to the east and south by mountainous areas which naturally delimit the Entre-Douro-e-Minho and to the west by the Atlantic Ocean. The vineyards take up an area of 21 thousand hectares, accounting for 25% of the national winemaking area. The characteristics of the soil, climate, factors of a cultural nature and the influence of the seaboard are some of the main variables which afford originality to "vinho verde", unique worldwide.
The Demarcated Region of Vinhos Verdes is divided into nine sub-regions: Amarante, Ave, Baião, Basto, Cávado, Lima, Monção e Melgaço, Paiva and Sousa. The wines from Casa das Buganvílias belong to the sub-region of Lima comprising the boroughs of Viana do Castelo, Ponte de Lima, Ponte da Barca and Arcos de Valdevez.