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Geography and climate

Bangui, close to the country's southern border, lies on the northern banks of the Ubangi River just below a series of rapids that limit major commercial shipping upriver. The only major city located on the river, it covers an area of 67 square kilometres (26 sq mi). The navigable Ubangi River, with the backdrop of lush green hills, turns sharply south below Bangui and connects to the Congo River just south of the equator near Brazzaville as its chief northern tributary. The Ubangi river marks the border between the Central African Republic and the Democratic Republic of the Congo. The Congolese town of Zongo is situated across the river from Bangui. The river flows to the east of downtown Bangui. During the rainy season the discharge in the river is three times higher than during the rest of the year. The city was also known as La Coquette (the beautiful city) in the 1970s.

Close to the river, the city centre features a large arch dedicated to Bokassa as well as the presidential palace and the central market. Lying five kilometres (three miles) further north, the heart of the residential area has the largest market and most of the nightlife. Many of those in the suburbs live in houses known as Kodros, built of mud bricks with a thatched roof.

The Bangui Magnetic Anomaly, one of the earth's largest crustal anomalies and the largest in Africa, has its centre in Bangui." It takes the form of a huge ellipse of 700 kilometres (430 mi) x 1,000 kilometres (620 mi), with its central point at 6 degrees north and 18 degrees east. It consists of three parts or segments, which comprise the northern, the southern and the central anomalies. The magnetic equator passes through the feature's centre. Although it is well documented, the feature's origins are not fully understood.

The Central African Republic is situated just north of the Equator with daily temperatures normally reaching at least 30 °C. Bangui, close to the Equator in the south of the country, it is slightly hotter and wetter than the northern regions. It has a tropical savanna climate (Köppen: Aw) with dry winters. While the warm season is from 23 January to 18 March, the cold season lasts from 20 June to 27 August, when rainfall is frequently accompanied by thunderstorms. The city is bordered by thick tropical rainforests along the river banks. Several of its neighbourhoods are in low-lying areas prone to recurrent flooding with severe rains in June and July 2009 leaving 11,000 people homeless.