Princess Mako, the eldest grandchild of Emperor Akihito, left for Japan on Wednesday after wrapping up a weeklong official visit to Bhutan.

Among the highlights of the 25-year-old princess's visit from Thursday were a meeting with King Jigme Khesar Namgyel Wangchuck and his wife Queen Jetsun Pema, and her attendance at a flower exhibition in the capital Thimphu, where she appeared in traditional Japanese kimono.

At a luncheon with former King Jigme Singye Wangchuck, Princess Mako -- the eldest daughter of Prince Akishino and Princess Kiko -- wore a "kira" traditional Bhutanese dress that he had given to her mother 20 years ago.

The trip was the princess's third official visit abroad and may be her last because she is set to lose her imperial status after marrying a classmate from her university days, possibly next year.

The princess is set to return home on Thursday.