Three kings monument, At roughly the center of the walled city, in the district where the former rulers of chiangmai built their palaces, stands the monument to the ‘Three Kings’ – King Mengrai, the founder of Chiangmai : his contemporary and reportedly good friend King Ramkamhaeng of Sukothai and King Ngam Muang of Payao. According to legend, the three worked together to lay out the city of Chiangmai.