Prince William told the crowds at the Anglesey Show today that he and Kate will miss the area terribly when his posting comes to an end next month.
The duke was on his second official public appearance since the birth of Prince George.
He watched gundog and falconry displays, before meeting local young farmers in North Wales.
In a speech he said he was sorry Kate couldn't be there and joked that his son was "very good looking."
William in on a three-year tour as an RAF search and rescue helicopter pilot at RAF Valley in Anglesey which finishes at the end of September.
More top news
Wales' Jonathan Davies says the British and Irsih Lions need to be more "clinical" if they are to beat the All Blacks.
Steps star Ian 'H' Watkins talks to ITV Wales about the bullying he faced for being gay, and balancing fatherhood with chart success.
Cystic fibrosis is a life-shortening genetic condition that causes lung damage. Only around half of people reach their 40th birthday.