Alva ( port. Alva ) - a district (fregezia) in Portugal , part of the Viseu district. It is an integral part of the municipality of Kashtru Dayre . It is part of a large metropolitan area Big Viseu . According to the old administrative division, it was part of the province of Beira Alta . Included in the economic and statistical subregion of Dan Lafoynes , which is part of the Central region . The population is 546 people for 2001 . It covers an area of 9.87 km².
| Area | |
| Alva | |
|---|---|
| Alva | |
| A country |  Portugal |
| Region | Central Region (Portugal) |
| County | Viseu (Borough) |
| Municipality | Kashtru Dayre |
| History and Geography | |
| Square | 9.87 km² |
| Center height | |
| Timezone | |
| Population | |
| Population | 546 people ( 2001 ) |
| Density | 55.3 people / km² |
| Agglomeration | Greater Viseu |
| Digital identifiers | |
| Postcode | 3600 |
The patron saint of the area is Martin Tursky ( port. São Martinho ).