Shingū is a city located in Wakayama Prefecture, Japan. As of 1 November 2021, the city had an estimated population of 27,491 in 14649 households and a population density of 110 persons per km2. The total area of the city is 255.23 square kilometres (98.54 sq mi). Shingū literally means 'New Shrine' and refers to Hayatama Shrine, one of the Three Grand Shrines of Kumano (See). The 'old shrine' would be Kamikura Shrine.

Wakayama Prefecture is a prefecture of Japan located in the Kansai region of Honshu. Wakayama Prefecture has a population of 944,320 and has a geographic area of 4,724 square kilometres (1,824 sq mi). Wakayama Prefecture borders Osaka Prefecture to the north, and Mie Prefecture and Nara Prefecture to the northeast.