Odense include the Radisson SAS HC Andersen Hotel, the First Hotel Grand with its brasserie bar, the 68-room Old English-style Clarion Collection Hotel Plaza, City Hotel, which is in close proximity to the Hans Christian Andersen museum, and the 140-room Danhostel Odense City. Nonnebakken, a hill in the Odense area, is the site of one of Denmark's six former Viking ring castles, built during the reign of Sweyn Forkbeard, who had forced his father Harold Bluetooth to leave the country and seek refuge by the Jomsvikings in Wollin (modern Poland) in around 975. The fort provided its occupier the command of
Odense Stadium plans were finally approved by the then-mayor of Odense, Hans Christian Petersen (Conservative People's Party), and Odense Idrætspark was founded on 27 December 1927, with the expectation that the municipality built the stadium, and the local sports clubs would run it. The building site for the city's first stadium was placed at Kildemosen, in an area located in the western section of the workshops for Sydfyenske Railways (SFJ) and 'Sukkerkogeriet Odense'. On 16 August 1931, the first edition of Odense Idrætspark, was inaugurated with an association football match marked by pouring rain – on the exhibition pitch without any grandstands