Yes, Thailand is one of the countries that celebrate Christmas. While it is not an official holiday in Thailand, many people celebrate it with festivities such as Christmas trees, gifts, and Christmas Eve dinners. Many Christian communities in Thailand also attend Christmas Eve services and celebrations. The commercialization of Christmas has also made its way to Thailand, with many malls and businesses hosting their own Christmas-themed events and decorations. So, while it may not be celebrated with the same level of religious significance or cultural traditions as in other countries, Thailand certainly has its own unique way of celebrating Christmas.