Toyama is a city located in the northwestern region of Japan's main island, Honshu. It is the capital of Toyama Prefecture. As of May 1, 2016, the city had an estimated population of 421,029 and a population density of 1,100 persons per km². The total area is 383.80 km². Toyama is the economic center of the Toyama Prefecture and of the Hokuriku region as a whole.
Toyama is located in a mountainous region. The Tateyama mountain range lies just to the south of the city, and the Sea of Japan lies to the north. Toyama has a humid continental climate characterized by hot summers and cold winters with heavy snowfall. Precipitation is significant throughout the year, but is heaviest from April to September.