Where is the closest group of asteroids to the sun, and what do we call this region?

The closest group of asteroids to our Sun is called the Asteroid Belt. It is 329 million to 478.7 million km away from our Sun.

Explanation:

No other group of asteroids is closer than this one. You can find the Asteroid Belt between the orbits of Jupiter and Mars. Half of the mass of these asteroids is from asteroids Ceres, Vesta, Pallas, and Hygiea.

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