Real Madrid scouts have reportedly watched the youngster, who scored a hat-trick against Brazil at the Under 17 World Cup last week, in action.
Arsenal and Liverpool are also reportedly keeping tabs on the highly-rated striker.
Coulibaly said: “I want to play at the top level, but I belong to Siena.
“When I hear about Jose Mourinho being interested in me, it is like being in Disneyland when you are six years old – a dreamland.”
