Arcigay is the main Italian non-profit LGBTI association  and the largest in terms of the number of volunteers and activists on the whole national territory . It is a social promotion association (APS) registered in the national register of APS with the number 115 (L. 383/2000).

Since 1985 he has been fighting for equal rights, self-determination, overcoming stereotypes and prejudices against LGBTI people, and against all forms of discrimination. It operates throughout the national territory through its 71 territorial committees and member associations , thanks to the participation of thousands of volunteers and activists, LGBTI and non-LGBTI people, who are mobilized to give concreteness to the objectives and activities of the association both at locally and nationally.