Hotels and other accommodation providers posted revenue of 8.7 billion kuna over the review period, 6.8% more than a year earlier, the ministry said in a statement.
Travel agents and tour operators posted a revenue growth of 15.5% through September.
According to the country's Employment Service, from September to October, the number of workers in the tourism sector was 15,800, up 8.5% from a year earlier.
According to data of the World Travel&Tourism Council, Croatia's tourism and travel industry contributed 32.7 billion kuna directly to the country's economy in 2011, equivalent to 11% of its gross domestic product.
(1 euro = 7.5386 Croatian kuna)