Narita is a city located in Chiba Prefecture in Japan. It is the airport of the same name, the main international air terminal in Greater Tokyo. The area of the city is 213.84 km2, the population is 130,000 people. On March 5, 2018 in Narita, a detail of an airplane 50 cm long and 25 cm in width, weighing about one kilogram, fell on the apartment building. A metal object was discovered seven kilometers from the runway.