Christiansborg Castle,

Christiansborg Castle, also known as Osu Castle, is a historic landmark located in Accra, Ghana. It has served as a seat of power throughout Ghana's history, starting from its Danish origins in the 17th century to its role as the presidential palace during the colonial and post-independence eras. Christiansborg Castle is a symbol of Ghana's complex history, housing museums and serving as a significant site for political and cultural events.