It is one of seventeen constituencies in Nairobi City County.
[1][2] It was created prior to the 2013 general election, when Kasarani Constituency was divided into three constituencies: Kasarani, Roysambu and Ruaraka.
It is the northmost constituency in Nairobi with an area of 48.80 km2 (18.8 sq mi).
It contains neighbourhoods such as Garden Estate, Thome, Balozi, Zimmerman, Kahawa West and part of Githurai.
Kenyatta University, United States International University, Kamiti Maximum Security Prison, National Youth Service headquarters, General Service Unit headquarters are also found here.