Flat, densely populated region of east Honshu island, Japan; area 32,377 sq km/12,501 sq mi; population (1995) 1,423,800. It is the largest plain and most heavily populated area in Japan. The chief city is Tokyo.
Black, green, and yellow are the African National Congress (ANC) colours. Red, white, and blue are the colours of the former Dutch republics. Effective date: 27 April 1994.