Tutong District
The district borders the South China Sea to the north , the Bruneian district of Brunei-Muara and the Malaysian state of Sarawak to the east and the Bruneian district of Belait to the west . 
<triplet> Brunei-Muara <subj> South China Sea <obj> located in or next to body of water <triplet> Sarawak <subj> Brunei-Muara <obj> shares border with <subj> Belait <obj> shares border with <triplet> Belait <subj> Sarawak <obj> shares border with