Tobias Figueiredo said he has settled in well at the club and is looking forward to a bright future at Nottingham Forest.
The Portuguese defender has agreed a deal with the club having impressed on loan and is delighted to have extended his stay on Trentside.
He said: "I am really happy. Nottingham Forest are a historic club and I am really excited. Things have been great since I signed at the club in January, we have put in some good performances and now I am really excited about what the future holds.
"I have been made to feel very welcome at the club by all the staff and players, and I love the city which made the decision an easy one for me.
"The fans have been brilliant with me and that has given me a lot of confidence. To hear them shouting my name gives me such a big boost to go on and put in a good performance.
"The atmosphere that the fans create is amazing and they have really made me feel at home and I can't wait to carry on wearing the red shirt."