Chiba (千葉市, Chiba-shi; Japanese pronunciation: [tɕiꜜ.ba, tɕi.baꜜ, tɕi.baꜜɕi]) is the capital city of Chiba Prefecture, Japan. It sits about 40 kilometres (25 mi) east of the centre of Tokyo on Tokyo Bay. The city became a government-designated city in 1992. In March 2025, its population was 983,045, with a population density of 3,617 people per km. The city has an area of 271.77 square kilometres (104.93 sq mi).
Chiba City is one of the Kantō region's primary seaports, and is home to Chiba Port, which handles one of the highest volumes of cargo in Japan. Much of the city is residential, although there are many factories and warehouses along the coast. There are several major urban centres in the city, including Makuhari, a prime waterfront business district in which Makuhari Messe is located, and Central Chiba, in which the prefectural government office and the city hall are located.