The defender looked destined to leave earlier on in the transfer window and he was on the cusp of joining Zenit St Petersburg at one point.
A move to the Russian side collapsed, however, and it was then reported the Greece international could end up at Stamford Bridge.
That, though, has failed to materialise too and now the centre-back has revealed he will be playing for Roma this season.
"I'll stay here, definitely," Manolas told Corriere dello Sport.
"I can't say anything about my contract, I don't know what will happen. But I'll stay."