A daïra or daerah (Arabic: دائرة circle; plural dawaïr) is an administrative division in Algeria and Western Sahara in West Africa, as well as Brunei, Indonesia and Malaysia in Southeast Asia.
"Daïra" is the primary spelling variant used in Algeria and Western Sahara.
"Daerah" is an Arabic loanword in Malay and Indonesian, which is cognate with "daïra".
A daerah is subdivided into mukims (equivalent to subdistricts) and subsequently villages (kampung).
A daerah or district is a type of state administrative divisions in Malaysia.