 The city covers 10 @,@ 212 ha ( 25 @,@ 230 acres ) of which 3 @,@ 210 ha ( 7 @,@ 900 acres ) is agricultural land , 4 @,@ 889 ha ( 12 @,@ 080 acres ) is urbanized areas , 85 ha ( 210 acres ) is surface waters and 65 ha ( 160 acres ) is wasteland . The composition of the districts vary from residential near the city center , with a combination of multi @-@ story apartment buildings and individual houses on small parcels , to industrial and agricultural at the city edges . 
