Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Uda is a district located in Nara Prefecture, Japan. As of 2005, the district has an estimated population of 42,752 and a density of 113.98 persons per km². The total area is 375.09 km². Nara Prefecture is part of the Kansai, or Kinki, region of Japan, and is located in the middle of the Kii Peninsula on the western half of Honsh . Nara Prefecture is landlocked. It is bordered to the west by Wakayama Prefecture and Osaka Prefecture; on the north by Kyoto Prefecture and on the east by Mie Prefecture. Nara Prefecture is 78.5 km from East to West and 103.6 km from North to South.