A sports museum.
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Seat of the Roman Catholic Diocese of Surabaya, established on 15 February 1928 as the Apostolic Prefecture of Surabaya from the Apostolic Vicariate of Batavia, promoted on 16 October 1941 as Apostolic Vicariate of Surabaya, promoted on 3 January 1961 as the Diocese of Surabaya, and renamed as such 22 August 1973. The local area apparently includes 150,457 (4.4%) Catholics.
This course is built in hilly terrain and is the oldest course in town, built in 1898, with the crypt of the last Dutch Governor on it.
A cancer museum.
A press monument.
A Soviet-built submarine display which served in the Indonesian Navy since 1962. Launched in 1952, and since her decommissioning in 1990 has been preserved as a monument. The body/hull was slightly cut for stairs & door for easier public entrance & viewing. Beside the monument there is a building where a short film about the history of the submarine can be viewed. You also can see the Suroboyo monument near the river.