Part of the Misraq (East) Welega Zone, Sibu Sire is bordered on the south by Wama Bonaya, on the west by Guto Wayu, and on the north and east by Bila Seyo.
Rivers include the Aleltu, Ambelta, Gorochan, Indris, Leku, Chekorsa and the Jalele.
[1] Coffee is another important cash crop; between 20 and 50 square kilometers are planted in it.
[4] Based on figures published by the Central Statistical Agency in 2005, this woreda has an estimated total population of 97,866, of whom 50,302 are men and 47,564 are women; 13,710 or 14.01% of its population are urban dwellers, which is greater than the Zone average of 13.9%.
With an estimated area of 1,132.51 square kilometers, Sibu Sire has an estimated population density of 86.4 people per square kilometer, which is less than the Zone average of 81.4.