Chūō 中央区
Ward
Chūō Ward
What will be Chūō Ward Office
Location of Chūō-ku in Shizuoka
Chūō
Coordinates: 34°42′38.9″N 137°43′33.9″E / 34.710806°N 137.726083°E / 34.710806; 137.726083
Country	Japan
Region	Chūbu
Prefecture	Shizuoka
City	Hamamatsu
Area
• Total	268.45 km2 (103.65 sq mi)
	population of the area which will be Chūō-ku
Population  (October 1, 2023)
• Total	608,145
• Density	2,300/km2 (5,900/sq mi)
	population of the area which will be Chūō-ku
Time zone	UTC+9 (Japan Standard Time)
Phone number	053-457-2111
Address	103-2 Motoshiro-cho, Chūō-ku, Hamamatsu-shi, Shizuoka-ken 430-8652

Chūō-ku (中央区, Chūō-ku) is one of the three wards of Hamamatsu, Shizuoka, Japan, located in the south part of the city. It will encompass the site of Hamamatsu Castle, Lake Hamana and Hamamatsu Station, the central business and residential district. Although its area will be the smallest of the three wards of Hamamatsu, it will have by far the largest population.^[1] It will be bordered by Hamana-ku, Kosai, Shizuoka, and Iwata, Shizuoka.

• January 1, 2024 - Former wards of Naka-ku, Higashi-ku, Nishi-ku, Minami-ku, and Mikatagahara District of Kita-ku will form Chūō-ku.^[1]