Is Hera a patron god for any city of area?

Yes, Hera was particularly revered as the patron goddess of the city of Argos in ancient Greece. She was worshipped there with great devotion, and the Heraion of Argos, a large sanctuary dedicated to her, was one of the most significant sites for her worship. Additionally, she was also associated with the city of Samos, where she had a famous sanctuary and was considered a protector of the region.