The figure includes both leisure and business travellers.
Last year's rise in visitor numbers equals that of 2010. The rise in Brussels is higher than the European average of 6.3%.
53% of bookings came from business travellers.
Brussels is a popular tourist destination for Belgians, French nationals, Spaniards and Britons.
Other nationalities too are discovering us. Last year there was a 37% increase in the number of Brazilians heading here. Russian tourist numbers were up 29%, while the figure for Chinese tourists was up a full 30%.
Brussels has the ambition of attracting ten million overnight stays by 2020.