The Kii Peninsula is one of the largest peninsulas on the island of Honshu in Japan. Wakayama Prefecture occupies much of the area, including the entire southern part. To the northwest of Wakayama is Osaka Prefecture, whose southern part is on the peninsula. East of Osaka is landlocked Nara Prefecture; farther east is Mie Prefecture.
The Inland Sea lies to the west of the Kii Peninsula. To the south is the Pacific Ocean.
Notable places in the Kii Peninsula include
Nara, former capital city
Mt. Koya (or Koyasan), the headquarters of the Shingon sect of Buddhism
Wakayama, former home of the Kii (or Kishu) Tokugawa family
Matsusaka, center of major beef-producing area
Ise, the location of the Ise Shrine and center of pearl production