The seven traditional leaders received by Prince Charles are the Obi of Onitsha, Nnaemeka Achebe; Etsu Nupe, Alhaji Yahaya Abubakar and the Emir of Kano, Muhammad Sanusi II. "We have a shared responsibility to ensure that the abject horror of slavery is never forgotten, that we abhor the existence of modern slavery".
The visiting Prince of Wales, Prince Charles, is in shock after learning that Ghanaians need visas before visiting the United Kingdom.
On his part, Prince Charles highlighted on the important roles that the Asante Kingdom continues to play in Ghana's transformational processes, and stressed on the need for Ghana and the UK to partner together so that the two countries can work together in their mutual interest.
The event will also celebrate The Prince's 70th Birthday.
The slave trade was established as early as the mid-17th century.
Britain outlawed slavery in 1833 but it was abolished in the U.S. after the defeat of the Confederacy in the Civil War in 1865.
Built in 1661, the castle was a principal holding cell for enslaved Africans during the trans-Atlantic slave trade.
Britain had been involved in the transatlantic slave trade for more than 200 years by the time it abolished the trade in 1807, although the full abolition of slavery did not follow for another generation.
The royals will conclude their tour a week before Charles celebrates his 70th birthday on November 14.
The Prince of Wales, Prince Charles on Monday urged Ghana to leverage its active role in the Commonwealth and its influence in Africa to lead the fight to mitigate the effect of the climate change phenomenon.
Prince Charles was recently elected to succeed the Queen of England as head of the Commonwealth.
In Gambia, the Prince congratulated the West African nation on recently returning to the 53-member Commonwealth states of mostly former British territories.
Member countries of the Commonwealth with some 2.4 billion people are hoping to network towards advancing their developments.