Charles’ interest in architecture led him to set up a traditionalist, sustainable town near Dorchester, Poundbury, now home to around 4,000 residents. It will now be passed onto his eldest surviving son, William.
Article source: https://www.huffingtonpost.co.uk/entry/king-charles-iii-what-you-need-to-know-about-monarch_uk_631ae7bfe4b0ed021df11ed7