of which Słupsk is the administrative seat (although it is not part of the district). The city's other neighbouring district is Gmina Kobylnica, to the south-west. The Słupsk Special Economic Zone is not entirely contained within the city limits: a portion of it lies within Gmina Słupsk, while some smaller areas are at quite a distance from Słupsk (Debrzno), or even in another voivodeship (Koszalin, Szczecinek, Wałcz). The city has a fairly irregular shape, with its central point at Plac Zwycięstwa ("Victory Square") at . Topography Słupsk lies in an pradolina of the Słupia River. The city centre is situated significantly lower than its western and easternmost portions. Divided into two almost equal parts by the river, Słupsk is hilly when compared to other cities in the region. About of the city's area is covered by forests, while is used for agricultural purposes. Słupsk is rich in natural water bodies. There are more than twenty ponds, mostly former meanders of the Słupia, within the city limits. There are also several streams, irrigation canals (generally unused and abandoned) and a leat. Except in the city centre, all these watercourses are unregulated. There is generally little human influence on landform features visible within the city limits. However, in the northwestern part of the city there is a huge hollow, a remnant of a former sand mine. Although there were once plans to build a waterpark in this area, they were later abandoned and the site remains unused. Climate Słupsk has a temperate marine climate, like the rest of the Polish coastal regions. The city lies in a zone where the continental climate influences are very weak compared with other regions of Poland. The warmest month is July, with an average temperature range of . The coolest month is February, averaging . The wettest month is August with average precipitation of , while the driest is March, averaging only . Snowfalls are always possible between December and April. Neighbourhoods The neighbourhoods (, singular osiedle) of Słupsk do not have any administrative powers. Their names are used for traffic signposting purposes and are shown on maps. The neighbourhoods are as follows: Nadrzecze ("Riverside") — situated in the southern part of the city, this district is a major industrial area. It is bounded by the railroad to the west, Deotymy and Jana Pawła II streets to the north, the Słupia river to the east and