What is the pronunciation of "Yuan"?

1, low wall, wall: low wall. City wall. City wall.

2. City: provincial wall (provincial capital).

3. Official position: Jianyuan (official position).

4. The region of the star. In ancient times, stars were divided into upper, middle and lower walls.

5. Last name.

References:

Chinese Dictionary 2, page 469, word 15,

Homonym: yuan, yuan, yuan, yuan, yuan, yuan, yuan,