| Answer | Crossword Clue |
|---|---|
| MALACCA | Strait off Sumatra. |
| SUNDA | Strait between Java and Sumatra |
| NIAS | Island off Sumatra. |
| NIAS | Island off Sumatra |
| STRAITOFMALACCA | Channel off Sumatra |
| SABANG | Base off N. Sumatra. |
| NIAS | Island off coast of Sumatra. |
| NIAS | Jap-held island off Sumatra. |
| BANKA | Island off Sumatra having tin mines. |
| SABANG | Seaport on Pulau Weh, island off N. Sumatra. |
