What constellation does Gemini belong to?

Air sign.

According to the query of the first constellation network, Gemini is air signs, and air signs is full of curiosity about the world, loves to explore new things, is humorous and interesting, and is also super sociable. He is the best conversationalist among the four constellations. Gemini is witty, intelligent, curious and expressive. Good at communication and socializing, like making new friends, and interested in all kinds of topics.