Two hotels in Nha Trang City, Khanh Hoa Province, south-central Vietnam were fined VND10 million (US$424) each for improperly upgrading their hotel star ratings to promote their services on online travel websites and social media, local authorities said on Monday. Both also listed themselves as four-star hotels on travel and accommodation booking platform Booking.com. As a result, the owners of the two hotels were fined VND10 million each and were required to remove the false declarations. Both also listed themselves as four-star hotels on travel and accommodation booking platform Booking.com. As a result, the owners of the two hotels were fined VND10 million each and were required to remove the false declarations.