| India | Importance | London | Importance |
| Andaman Islands | Major Sholto and Captain Morstan were stationed here and in charge of the troops; Jonathan Small was also imprisoned here. | Baker Street | The residence of Sherlock Holmes and Dr. Watson. This was the place which Mary Morstan came to, to consult Holmes. |
| Agra | Jonathan Small was a gatekeeper at the Agra fortress when he was forced to be an accomplice in the theft of the Rajah’s jewels. | Langham Hotel | This was the place Mary’s father stayed at when he came to London. He invited Mary to the hotel to meet him; but disappeared before her arrival. |
| Bombay (Now Mumbai) | Major Sholto, and Captain Morstan were both from the regiment ‘the 34th Bombay Infantry’. | Lyceum Theatre | Mary was supposed to meet the writer of the anonymous letter or his messenger at the third pillar from the left outside the Lyceum Theatre. |
| - | - | River Thames | Jonathan Small, who tried to escape by boat along the river Thames, was captured. His accomplice Tonga was killed. |
