Dutch giants Ajax revealed on Monday they have agreed to the transfer of international defender John Heitinga to Spanish side Atletico Madrid.

Heintinga, who is under contract with Ajax until 2011, agreed terms with the Madrid side last month for a five-year deal.

Atletico have reportedly accepted to pay the 10 million euros (15.9m dollars) buyout clause under the 24-year-old's deal with the Dutch club.

Heitinga has played 33 times for the national side.