Which galaxy is Gemini beta located in?

Gemini is not a galaxy, but an image (constellation) composed of stars. Every star in Gemini is in the Milky Way.

Gemini, one of the twelve constellations, covers an area of 5 13.76 square degrees, accounting for 1.245% of the total area of the whole day, ranking 30th among the 88 constellations in the whole day.

There are 47 stars in Gemini with brightness greater than 5.5, the brightest star is Kitagawa (Gemini β), and the apparent magnitude is 1. 14.

To the west of Gemini is Taurus, and to the east is relatively dim Cancer. Auriga and the very humble Tmall are located in the north, while unicorns and Canis canis are located in the south.