Vino de la Tierra (wine of the land) is a Spanish appellation system that is less regulated and strict than the Denominación de Origen classification.
To be able to use the classification 'Vino de la Tierra' the wines (grapes) have to come from a recognized geographical area. This area will have to have specific growing conditions that will influence the quality of the grapes grown in this area and sets it apart from grapes grown outside of this area.
Other requirements for the use of this classification include the varieties of the vines that can be planted, types of wines produced, alcohol levels, and the wine will have to have certain odor and taste characteristics.