According to tourism portal Hotel.Info, Bulgaria comes right after Slovakia and Serbia, which have topped the list as of March 2016, compared to the same month of the previous year.
Switzerland and Poland come next. Slovakia is the only country in this year's Top 5 which was also there in March 2015, when it followed Finland, Germany, Austria and Hungary.
In 2015, Bulgaria was ranked 11th, according to Hotel.Info.
The portal uses reviews submitted by more than 2 million tourists to make igts ranking, also analyzing room quality, hospitality and professionalism of staff, and correlations of prices and quality.