Kashiwa is a city located in Chiba Prefecture, Japan. As of May 1, 2024, the city had an estimated population of 435,578 in 199,926 households and a population density of 3800 persons per km2. The total area of the city is 114.72 square kilometres. The name of the city is written with a single kanji character: 柏, a reference to Quercus dentata, commonly known in English as the Japanese emperor oak or daimyo oak.