| Area | 214 km2 |
| Altitude | 210 - 335 m above seal level |
| Average temperature | +8.6 °C |
| Population | 320,000 |
| Population density | 1,505 people/km2 |
| Number of city districts | 23 |
| Number of public transport routes | 78 |
| Combined lenght of public trabsport routes | 1,092 km |
| Number of hotel beds | 3,000 year-round, 6,000 in summer season |