Many national governments recognize Christmas as an official public holiday, while others recognize it in a symbolic way but not as an official legal observance. Countries in which Christmas is not a formal public holiday include Afghanistan, Algeria, Azerbaijan, Bahrain, Bhutan, Cambodia, China (excepting Hong Kong and Macau), the Comoros, Iran, Israel, Japan, Kuwait, Laos, Libya, the Maldives, Mauritania, Mongolia, Morocco, North Korea, Oman, Qatar, the Sahrawi Republic, Saudi Arabia, Somalia, Tajikistan, Thailand, Tunisia, Turkey, Turkmenistan, the United Arab Emirates, Uzbekistan, Vietnam, and Yemen. Countries such as Japan, where Christmas is not a public holiday but is popular despite there being only a small number of Christians, have adopted many of the secular aspects of Christmas, such as gift-giving, decorations, and Christmas trees.Gifts are not traditionally given.