The average price of a plot of undeveloped land in Portugal is is usually agricultural land near villages with the possibility of building something.
While the value of the cheapest undeveloped land is as it is usually in parts with access only on foot, have little fertile or rocky land, for being protected land in which you can not even build a warehouse.
The most expensive undeveloped land has a price of and is usually land in agricultural production, livestock or have the possibility of building a house to have more than 10000m2 as well as having a better access, water, electricity on the plot and other amenities