The sun takes about 225-250 million years to complete one orbit around the galaxy. This period of time is known as the galactic year.
The sun's orbit is not a perfect circle, but rather an ellipse. This means that the sun's distance from the center of the galaxy varies over time. The sun's closest approach to the center of the galaxy is about 26,000 light-years, and its farthest point is about 28,000 light-years.
The sun's galactic rotation is caused by the gravitational pull of the other stars in the galaxy. The Milky Way galaxy is a barred spiral galaxy, which means that it has a central bar of stars surrounded by a disk of stars. The sun is located in the disk of the galaxy, about halfway between the center and the edge.
The sun's galactic rotation is important for several reasons. First, it helps to maintain the shape of the galaxy. Second, it helps to distribute heat and energy throughout the galaxy. Third, it helps to create the winds that blow between stars.