BRUNEI

Set to 4 different clues across 4 published puzzles, most often “Pacific sultanate” — The New York Times, Monday, 6 September 2010.

6 letters

Every clue on record, most used first

Pacific sultanateonce
The New York Times — Monday, 6 September 2010
The Abode of Peaceonce
The New York Times — Sunday, 16 June 2002
Sultanate on the South China Seaonce
The New York Times — Sunday, 9 November 1997
Country on Borneoonce
The New York Times — Sunday, 28 May 1995