The AU Conference Center and Office Complex (AUCC) is a building in Addis Ababa, Ethiopia. It is the headquarters of the African Union and plays host to the biannual AU summits. It also serves as a conference center for African and diaspora businesses. The main building is 99.9 metres (328 feet) tall and it is the second tallest building in Addis Ababa. Its cost was US$200 million funded by the Chinese government.