Katsuura (勝浦市, Katsuura-shi?) is a city located in southern part of Chiba Prefecture, Japan. Katsuura city is famous for Katsuura Fishing Port, which features one of the top three largest morning markets in Japan. As of February 2010, the city has an estimated population of 20,570 and the density of 218 persons per km². The total area is 94.20 km².