Area: 402 km2 (155 mi2)
Language: Lithuanian, one of the oldest languages in Europe.
Currency: Litas (LTL) 1 Euro = 3.45 LTL
Time zone: UTC/GMT + 2 hours (EET), UTC/GMT + 3 hours (summer time EEST)
Buildings cover 20,2% of the city and in the remaining areas, greenery - 43,9% and 2,1% is covered by water.
Climate: humid continental. The average annual temperature is 6.1 °C (43 °F). In January the average temperature is −4.9 °C (23 °F), in July it is 17.0 °C (63 °F).