the city boundary to the south. Osiedle Akademickie ("Academic Neighbourhood") — a neighbourhood of detached and semi-detached houses around the Pomeranian Academy and its halls of residence. Osiedle Bałtyckie ("Baltic Neighbourhood") — the northernmost neighbourhood of Słupsk, a large part of which belongs to the Słupsk Special Economic Zone. Osiedle Niepodległości ("Independence Neighbourhood") (before 1989 called Osiedle Budowniczych Polski Ludowej or "Neighbourhood of the Builders of People's Poland", and still popularly referred to as BPL) and Osiedle Piastów ("Piast Neighbourhood") — these neighbourhoods make up the largest residential area of the city, inhabited by about 40,000 people. Osiedle Słowińskie ("Slovincian Neighbourhood") — the easternmost part of Słupsk, similar in character to Osiedle Akademickie. It adjoins the Northern Wood (Lasek Północny) and is close to the city's boundary with Redzikowo, the planned site of the US national missile defense interceptors. Ryczewo — brought within the city limits in 1949, this is the youngest neighbourhood of Słupsk. Before the Second World War it was a villa district. It has retained much of its village character. Stare Miasto ("Old Town"; also known as Śródmieście or Centrum — "the City Centre") — the central district of Słupsk containing the historic centre of the city including the city hall and the Pomeranian Dukes' Castle. Westerplatte (known also as Osiedle Hubalczyków-Westerplatte) — a large and fast-developing area in the south-east of Słupsk, including the city's highest point. Currently both detached houses and blocks of flats are being built here. Zatorze (usually further subdivided into Osiedle Jana III Sobieskiego and Osiedle Stefana Batorego) — the second largest residential area, with 10,000 inhabitants. According to police statistics, it is the most dangerous area of the city. Parks Słupsk has many green areas within its boundaries. The most important are the Park of Culture and Leisure (Park Kultury i Wypoczynku), the Northern Wood (Lasek Północny) and the Southern Wood (Lasek Południowy). There are also many small parks, squares and boulevards. Transport Railways Słupsk is a railway junction, with four lines running north, west, east and south from the city. Currently, one station, opened January 10, 1991 serves the whole city. This is a class B station according to PKP (Polish Railways) criteria. The city has rail connections with most major cities in Poland: Białystok, Gdańsk, Gdynia, Katowice, Kraków, Lublin, Łódź, Olsztyn, Poznań, Szczecin, Warsaw and Wrocław, and also serves as a junction for local trains from Kołobrzeg, Koszalin, Lębork,