The 26-year old Belgian was used in the left-back position by Andre Villas-Boas before the former manager’s replacement Tim Sherwood shifted the former Ajax star to his usual role in the centre of defence.
Vertonghen insists he is more comfortable in the middle and hopes to continuing to impress in that role ahead of this summer’s World Cup.
"I'm very happy," the Belgian told the Tottenham Journal.
"Tim uses me as a centre-back. He believes in me in that position, he says that and I feel the confidence as well.
"Especially when you're coming back from injury, you don't want to play out of position.
"If you come back and you're a little bit insecure you want to play in your best position and that's what he's done.”
Belgium manager Marc Wilmots watched Vertonghen in Sunday’s 1-0 win over Everton, prompting this from the 54-times capped international.
"I'm happy he saw me play as a centre-back. With Belgium I play as a left-back so I'm happy he saw me playing here now," he added.
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