Asveja Regional Park, established in 1992, covers 12,208 hectares in east-central Lithuania near the town of Dubingiai. It protects a glacial landscape that includes over 30 lakes. Wetlands comprise about 8% of its territory, forests 60%, lakes 17%.
The park also contains the Dubingiai Mound and castle site, burial grounds, several villages, and a historic schoolhouse.