It was called Cote d'Ivoire (Ivory Coast in English) by the French colonials. Beginning in the 19th century, the area was one of the chief export areas for the ivory trade to Europe and became known as the ivory coast (common noun).
Yamoussoukro is the capital of Cote d'Ivoire or Ivory Coast. This country is in West Africa. Yamoussoukro became its capital in 1983 when the president of this country designated it the capital because it was his birthplace.