The hospital of the Titanic was located on D Deck, at the starboard side close to the Second Class Dining Room and next to the galleys. It could be accessed through the surgery room on C Deck, which had a staircase to the hospital below. The hospital on D Deck was used by the 1st and 2nd class passengers.
The Engineering crew had a surgery room of their own, was located on C Deck under the Forecastle Deck in the bow of the ship. The 3rd class had a dispensary further aft on D Deck.