On his travels he stopped off at UCLan and Brockholes Nature Reserve among other places.
Take a look at some of the pictures from bygone years.
5. When Prince Harry visited Lancashire
Having a laugh with others at the Nature Reserve Photo: Owen Humphreys
6. When Prince Harry visited Lancashire
Prince Harry's memoir Spare hits book shelves today (Tuesday) Photo: Chris Jackson
7. When Prince Harry visited Lancashire
Prince Harry visits the Sir Tom Finney Soccer Development Centre and the Lancashire Bombers Wheelchair Basketball Club at the University of Central Lancashire (UCLan) sports arena in Preston Photo: Danny Lawson
8. When Prince Harry visited Lancashire
Prince Harry pictured at UCLan Sports Arena giving Helen Gregson a royal hug Photo: Neil Cross