Mombasa (/mɒmˈbæsə/ mom-BASS-ə; also US: /-ˈbɑːsə/ -⁠BAH-sə) is a coastal city in southeastern Kenya along the Indian Ocean. It was the first capital of the British East Africa, before Nairobi was elevated to capital city status. It now serves as the capital of Mombasa County. The town is known as "the white and blue city" in Kenya. It is the country's oldest (circa 900 AD) and second-largest city after the capital Nairobi, with a population of about 1,208,333 people according to the 2019 census. Its metropolitan region is the second-largest in the country, and has a population of 3,528,940 people.