MARBELLA, Spain (AP) — Security was tight at the posh Hotel Villa Padierna in southern Spain as Michelle Obama and her 9-year-old daughter Sasha arrived for a summer vacation in a motorcade.

President Barack Obama and elder daughter Malia did not make the trip Wednesday to one of Spain’s glitziest seaside resorts. The White House says Mrs. Obama was accompanied by longtime family friends but did not identify them.

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The first lady will also pay an official visit Sunday to King Juan Carlos and Queen Sofia at their summer home on the Mediterranean island of Mallorca.

No other details of the Obamas’ Spanish trip have been released.

In Washington, Obama turned 49 on Wednesday.

Copyright 2010 The Associated Press.