Valka district (Latvian:Valkas rajons) was an administrative division of Latvia, located in Vidzeme region, in the country's north-east. The district's area was 2441km. The population was 31,314 inhabitants in 2008.
The district contained 4 towns and 17 parishes. The towns are: Valka (6459), Smiltene (5996), Strenči (1474), and Seda (1692).