Sinhanavati Kingdom was seated on the river named Kok, which descends from the mountain in Fang District (Chiangmai), and runs into the Kong River at the east of Chiangsaen District (Chiangrai Province), from which the city itself was at a distance of about .
The city is located in Chiangrai Basin, northern Thailand, where archaeological evidence has been found, such as ancient community sites, religious sanctuaries, and artifacts.