  A next generation water Cherenkov detector Hyper-Kamiokande to be built in
Japan is described. The main goals of this project include a sensitive
measurement of CP violation in neutrino oscillations, a search for proton decay
and study of solar, atmospherics and astrophysical neutrinos. Key features of
the Hyper-Kamiokande detector are described. The main emphasis is put on large
photosensors. The recent progress in the development of near neutrino detectors
is also presented.
