Modric joined Spurs from Dinamo Zagreb in a £15.8million move over the summer.
Redknapp said: “Modric is a fantastic footballer and I have to build a team around him to play with him.
“We have to get him the ball as he’s an amazing player. He’s a special footballer and has got amazing ability like a lot of Croatian players.
“They have produced so many great players over the years. I love Croatians, every boy from Croatia I have had has just been special. I can honestly say that.
“Slaven Bilic was fantastic, Igor Stimac too at West Ham was fantastic player. Robert Prosinecki was a genius.”