Where is the star located when considering a planet's elliptical orbit?

Answer

At one of the two foci of the ellipse

For a planet orbiting a star, the star resides at one of the ellipse's two focal points. This off-center location dictates the variation in the planet's distance from the star throughout its revolution.

Where is the star located when considering a planet's elliptical orbit?
Spaceastronomyorbitplanetpath