Alviobeira ( port. Alviobeira ) - a region ( fregezia ) in Portugal , part of the district of Santarem . It is an integral part of the municipality of Tomar . According to the old administrative division, it was part of the province of Ribatejo . Included in the economic and statistical sub-region of Mediu-Tagus , which is part of the Central region . The population is 635 people for 2001 . It covers an area of 8.57 km².
|Region||Central Region (Portugal)|
|History and Geography|
|Population||635 people ( 2001 )|
|Density||74.1 people / km²|