Vovinam and most developed in Vietnam with more than 60 schools around the world, including Poland, Belgium, Cambodia, Denmark, Germany, the United States, Morocco, Norway, Russia, France, Romania, Switzerland, Sweden, Singapore, Uzbekistan, Thailand, Italy, Australia, India, Iran, Spain, Algeria, Taiwan. The Chief of Vovinam Council now is Nguyễn Văn Chiếu. Vovinam is practiced with and without weapons. It is based on the "principle of between hard and soft". It includes training of the body as well as the mind. It uses force and reaction of the opponent. Vovinam also includes hand, elbow, kicks, escape- and levering techniques. Both attack and defense
2019 Southeast Asian Games contested in the Games; all sports were proposed by the NOC of the host nation except the disciplines of floorball, vovinam, and indoor hockey which were lobbied for by the other NOCs. Arnis, a Filipino martial art, was last featured as a demonstration sport in the 2005 edition. Arnis will be a regular sport in the 2019 games, and its national sport association lobbied for 20 events for the discipline (16 in combat; 4 in "anyo" ()) The Philippines is also considering to introduce 3x3 basketball for the first time in the history of the games. Upon the approval of