Risa, also known as the "pleasure planet", is an M-class planet located in a binary star system, with two moons. It is the homeworld of the Risians and a member of the Federation. Risa is located about ninety light years from Earth. It is the location of STO's Summer Event, the Lohlunat Festival.
Star Trek Online Edit
Risa is one of the available planets/locations for the game's launch.