Sakura is a city located in Chiba Prefecture, Japan. As of 1 November 2020, the city had an estimated population of 173,740 in 78,483 households and a population density of 1700 people per km2. The total area of the city is 103.59 square kilometres (40.00 sq mi).

The Keisei Main Line is a railway line of Japanese private railway company Keisei Electric Railway connecting Tokyo and Narita, Japan. It is the main line of Keisei's railway network. Built as an interurban between Tokyo and Narita in the early 20th century, the line has been serving as a main access route to Narita International Airport since 1978. It also serves major cities along the line such as Funabashi, Narashino, and Sakura.