The Milky Way galaxy orbits within a local group of galaxies, which is a collection of about 50 galaxies gravitationally bound together. The Milky Way is not orbiting a single object, but rather moving within the larger gravitational field of the entire local group.

Here's a breakdown:

* Local Group: This group includes the Andromeda Galaxy (our nearest large galactic neighbor), the Triangulum Galaxy, and several dwarf galaxies.

* Gravitational Center: While there's no single object that the Milky Way orbits around, the local group's center of mass is considered a gravitational focal point.

* Orbital Movement: The Milky Way and Andromeda galaxies are slowly moving towards each other due to their mutual gravitational pull. They are expected to collide in about 4 billion years.

So, instead of a single orbit, imagine the Milky Way as a dancer in a cosmic ballet, constantly moving within the gravitational dance of the local group.