The correct answer is: A) Kodagu
Kodagu is a district in the Indian state of Karnataka. It is located in the Western Ghats and is known for its coffee plantations, wildlife sanctuaries, and scenic beauty. The district has a population of 566,944 as of 2011, making it the least populous district in Karnataka.
The other options are incorrect because:
- Uttara Kannada has a population of 1,071,760 as of 2011.
- Chikmagalur has a population of 741,306 as of 2011.
- Chamarajanagar has a population of 1,021,159 as of 2011.
Kodagu is a beautiful and sparsely populated district in Karnataka. It is a popular tourist destination and is home to a number of wildlife sanctuaries. The district is also known for its coffee plantations.