Princess Eugenie fiercely protects her children's privacy with key move

However, Eugenie, 34, made the decision to not tag a location or write in the caption where the photograph was taken, which caused fans to begin a debate in the comment section.

One user took to the comments section to write: "You could tag the place you are in, it looks gorgeous."

Another replied: "Looks to me Comporta or Melides beach on the western coast of Portugal south of Lisbon."

These comments sparked a debate surrounding the privacy of Eugenie's location.

Another added: "She doesn't want everyone there."

Princess Eugenie likely decided to not share her location out of safety concerns for her children August, three, and Ernest, one.

A further comment read: "Probably for security reasons she hasn't disclosed her location."

This particular comment attracted over 200 likes.

The image showed Eugenie walking along a boardwalk next to sandy shores, with one son on each hip.

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The location of the photograph was likely Portugal, where the family of four split their time.

The family moved into the CostaTerra Golf and Ocean Club because Eugenie's husband, Jack Brooksbank, is working with property tycoon Mike Meldman, who manages a 300-home development there.

Speaking on the Table Manners podcast, Eugenie revealed she likes life in Portugal as she can enjoy some anonymity.

"This is why Portugal is the dream because I can go to the supermarket in my exercise gear and my hair piled on my head and not mind. Not care. No one cares," she said.