Kigali City Tower 2005. The building consists of three components: the tower, which rises to 20 stories, the 4-story commercial center, and a car parking block which is also 4 stories tall. As of 2013 the tower is the tallest building in Kigali and Rwanda. The total retail floor space is around while office space is . The tower block is occupied mostly by office space, with only the ground, lower ground and top floors being retail. Each floor of the tower has of office space available. The largest retailer in the complex is a branch of the Kenyan supermarket chain Nakumatt, which
Kigali act as a water store and flood protection for the city, although these are under threat from agriculture and development. The central business district (CBD) (known in Kinyarwanda as "mu mujyi") of Kigali lies on Nyarugenge Hill, and was the site of the original city founded by Richard Kandt in 1907. The house that Kandt lived in is now a museum. Geographically, the CBD lies towards the western edge of the built-up area, as the terrain to the east was more suitable for development of the expanding city than the high slopes of Mount Kigali to the west. Several of