Batu Satu, also known as Kampong Parit, is an area in Bandar Seri Begawan, the capital of Brunei.

Batu Satu was home to Istana Parit ("Parit Palace"), also known as Istana Temasek ("Temasek Palace"),[4] a former royal residence of Sultan Ahmad Tajuddin,[5] the 27th Sultan of Brunei.

The palace had been demolished to make way for the construction of the religious school Sekolah Ugama Arab Menengah Perempuan Raja Isteri Pengiran Anak Damit.

[8] The Hassanal Bolkiah Boys' Arabic Secondary School is the only Islamic religious sixth form college in the country, inaugurated in May 1967 by Sultan Omar Ali Saifuddien III.

[9] The Raja Isteri Pengiran Anak Damit Girls' Arabic Religious Secondary School is a girls' Islamic religious secondary school, established on 1 March 1966.