Reena was a planet in Tapani Sector's Reena system. It was the capital of Reena Province and throneworld of House Reena. It had a local day of 25 standard hours and a local year of 360 local days. It had warm, shallow oceans and small continents, largely urbanized. It was the location of Reena University. Three Hex turbolaser batteries on its single moon protected the planet.