Related Clues:
- Country with a sultan
- State that's back in within a month
- Book published that is about sultanate
- Sultanate not in OPEC
- Mideast oil producer*
- Bahla Fort's nation
- Oil-rich nation that's not in OPEC
- Large sultanate
- Country hidden in 'Romania'
- Nation whose full name ends with “Abode of Peace”
- Oldest independent state in the Arab world
- 10K in Belgium won reportedly by Malaysian neighbour
- Nation keeps uranium in brine mixture
- Sultanate enclave of Borneo
- Country that borders Saudi Arabia