Information:  - Tokyo, officially Tokyo Metropolis, is the capital of Japan and one of its 47 prefectures. The Greater Tokyo Area is the most populous metropolitan area in the world. It is the seat of the Emperor of Japan and the Japanese government. Tokyo is in the Kant region on the southeastern side of the main island Honshu and includes the Izu Islands and Ogasawara Islands. Formerly known as Edo, it has been the de facto seat of government since 1603 when Shogun Tokugawa Ieyasu made the city his headquarters. It officially became the capital after Emperor Meiji moved his seat to the city from the old capital of Kyoto in 1868; at that time Edo was renamed Tokyo. Tokyo Metropolis was formed in 1943 from the merger of the former and the .  - Makomanai Sekisui Heim Ice Arena (   ) is an indoor ice skating arena in Minami - ku , Sapporo , Japan . It was built in December , 1970 , holds 11,500 people ( 10,024 seats - fixed plus temporary - , and 1,476 standing places ) , and has an area of 10,133 m² in total . The figure skating and some of the ice hockey games and the closing ceremonies from the 1972 Winter Olympics were held at this arena .  - The 1972 Winter Olympics, officially known as the (French: Les "XIes Jeux olympiques d'hiver"), were a winter multi-sport event which was held from February 3 to February 13, 1972, in Sapporo, Hokkaid, Japan. It was the first Winter Olympics to be held outside Europe and North America, and only the third game (summer or winter) held outside those regions over all, after Melbourne (1956 Summer Olympics) and Tokyo (1964 Summer Olympics).  - An arena is an enclosed area, often circular or oval-shaped, designed to showcase theater, musical performances, or sporting events. The word derives from Latin "harena", a particularly fine/smooth sand used to absorb blood in ancient arenas such as the Colosseum in Rome. It is composed of a large open space surrounded on most or all sides by tiered seating for spectators. The key feature of an arena is that the event space is the lowest point, allowing for maximum visibility. Arenas are usually designed to accommodate a large number of spectators.  - Sapporo is known outside Japan for having hosted the 1972 Winter Olympics, the first ever held in Asia, and for the city's annual "Yuki Matsuri", internationally referred to as the Sapporo Snow Festival, which draws more than 2 million tourists from around the world. The city is also home to Sapporo Brewery and the white chocolate biscuits called .  - Rome is a city and special "comune" (named "Roma Capitale") in Italy. Rome is the capital of Italy and of the Lazio region. With 2,870,336 residents in , it is also the country's largest and most populated "comune" and fourth-most populous city in the European Union by population within city limits. The Metropolitan City of Rome has a population of 4.3 million residents. The city is located in the central-western portion of the Italian Peninsula, within Lazio (Latium), along the shores of Tiber river. The Vatican City is an independent country geographically located within the city boundaries of Rome, the only existing example of a country within a city: for this reason Rome has been often defined as capital of two states.   - China, officially the People's Republic of China (PRC), is a unitary sovereign state in East Asia. With a population of over 1.381 billion, it is the world's most populous country. The state is governed by the Communist Party of China, and its capital is Beijing. It exercises jurisdiction over 22 provinces, five autonomous regions, four direct-controlled municipalities (Beijing, Tianjin, Shanghai, and Chongqing), and two mostly self-governing special administrative regions (Hong Kong and Macau), and claims sovereignty over Taiwan. The country's major urban areas include Shanghai, Guangzhou, Beijing, Chongqing, Shenzhen, Tianjin and Hong Kong. China is a great power and a major regional power within Asia, and has been characterized as a potential superpower.  - The 1956 Summer Olympics, officially known as the Games of the XVI Olympiad, were an international multi-sport event which was held in Melbourne, Victoria, Australia, in 1956, apart from the equestrian events, which were held five months earlier in Stockholm. The 1956 Games were the first to be staged in the Southern Hemisphere and Oceania, as well as the first to be held outside Europe and North America. Melbourne is the southernmost city to host the games. Equestrian events could not be held in Australia due to quarantine regulations. This was the second Olympics not to be held entirely in one country, the first being the 1920 Summer Olympics, which Antwerp, Belgium, co-hosted with Amsterdam and Ostend.  - Russia (from the  Rus'), also officially known as the Russian Federation, is a country in Eurasia. At , Russia is the largest country in the world by surface area, covering more than one-eighth of the Earth's inhabited land area, and the ninth most populous, with over 140 million people at the end of March 2016. The European western part of the country is much more populated and urbanised than the eastern, about 77% of the population live in European Russia. Russia's capital Moscow is one of the largest cities in the world, other major urban centers include Saint Petersburg, Novosibirsk, Yekaterinburg, Nizhny Novgorod and Samara.  - Korea is a historical state in East Asia, since 1945 divided into two distinct sovereign states: North Korea (officially the "Democratic People's Republic of Korea") and South Korea (officially the "Republic of Korea"). Located on the Korean Peninsula, Korea is bordered by China to the northwest and Russia to the northeast. It is separated from Japan to the east by the Korea Strait and the East Sea.  - Japan ("Nippon" or "Nihon" ; formally "" or "Nihon-koku", means "State of Japan") is a sovereign island nation in Eastern Asia. Located in the Pacific Ocean, It is lying off the eastern coast of the Asia Mainland (east of China, Korea, Russia) and stretching from the Sea of Okhotsk in the north to the East China Sea and near Taiwan in the southwest.   - The Colosseum or Coliseum, also known as the Flavian Amphitheatre (Latin: "Amphitheatrum Flavium"; Italian: "Anfiteatro Flavio" or "Colosseo" ), is an oval amphitheatre in the centre of the city of Rome, Italy. Built of concrete and sand, it is the largest amphitheatre ever built. The Colosseum is situated just east of the Roman Forum. Construction began under the emperor Vespasian in AD 72, and was completed in AD 80 under his successor and heir Titus. Further modifications were made during the reign of Domitian (8196). These three emperors are known as the Flavian dynasty, and the amphitheatre was named in Latin for its association with their family name "(Flavius)".  - Taiwan, officially the Republic of China (ROC), is a state in East Asia. Neighbors include China (officially the People's Republic of China, abbreviated as PRC) to the west, Japan to the northeast, and the Philippines to the south. Taiwan is the most populous state that is not a member of the United Nations, and the one with the largest economy.  - The 1964 Summer Olympics, officially known as the , was an international multi-sport event held in Tokyo, Japan, from October 10 to 24, 1964. Tokyo had been awarded the organization of the 1940 Summer Olympics, but this honor was subsequently passed to Helsinki because of Japan's invasion of China, before ultimately being canceled because of World War II.  - Overview. According to the jminhy (registry) in 2008, 149,139 people were living in Minami-ku. The total area of the ward is 657.23 km², which is the largest in Sapporo. 17 mountains including Mount Yoichi (1488.1 metres, the highest mountain in Sapporo) are included in the ward, along with part of the Shikotsu-Tya National Park.     What entity does 'makomanai ice arena' has the relation 'owned by' with?
A:
hokkaidō