Biržai District Municipality
Biržai District Municipality 
    Biržų rajono savivaldybė  | |
|---|---|
The Green Forest (Žalioji giria)  | |
Location of Biržai District Municipality within Lithuania  | |
Location of Biržai  | |
| Coordinates: 56°16′58″N 24°48′45″E / 56.28278°N 24.81250°E | |
| Country | Lithuania | 
| Region | Aukštaitija | 
| County | Panevėžys County | 
| Established | 1950 | 
| Capital | Biržai | 
| Elderships | 8 | 
| Government | |
| • Type | City Council | 
| • Body | Biržai District Council | 
| • Mayor | Kęstutis Knizikevičius (LSDP) | 
| • Leading | Social Democratic Party  8 / 25 
 | 
| Area | |
 • Total  | 1,476 km2 (570 sq mi) | 
| • Rank | 16th | 
| Elevation | 88 m (289 ft) | 
| Population  (2022)  | |
 • Total  | 22,580 | 
| • Rank | 37th | 
| • Density | 15.30/km2 (39.6/sq mi) | 
| • Rank | 48th | 
| Time zone | UTC+2 (EET) | 
| • Summer (DST) | UTC+3 (EEST) | 
| ZIP Codes | 41100–41481  | 
| Phone code | +370 (450) | 
| Website | www | 
Biržai District Municipality is a Lithuanian municipality, located in northern Lithuania, Aukštaitija ethnographic region, Panevėžys County.
The towns of Biržai and Vabalninkas lie within the district. About 64% of its land is agricultural, including a number of organic farms. Portions are protected in Biržai Regional Park and as botanical and geological reserves.