Explanation:

- The South Asian Games is a multi-sport event held among the South Asian countries.

- The 13th edition of these games was hosted by Nepal.

- It was held in December 2019, featuring athletes from eight South Asian countries.

- Option 1: Maldives - Known for its beautiful islands, but not the host for the 13th edition.

- Option 2: Bhutan - A peaceful country in the Himalayas, but not the host.

- Option 3: Nepal - Correct! Nepal hosted the 13th South Asian Games.

- Option 4: India - A major sports nation in South Asia, but not the host for this event.