Nara Prefecture (奈良県 Nara-ken) is a prefecture in the Kansai region of Japan. The capital is the city of Nara. Nara Prefecture has the distinction of having more UNESCO World Heritage Listings than any other prefecture.

Nara Prefecture region is considered one of the oldest regions in Japan spanning thousands of years. The present-day Nara Prefecture as it exists now officially was created in 1887, making it independent of Osaka Prefecture.
Historically, Nara Prefecture was also known as Yamato-no-kuni or Yamato Province.

Links:

Nara Prefecture
Wikipedia