Mae Sai district of the old when ' 7 ", is a city of wiang SI LWA or lua as their city of the Kingdom," one former Metropolitan fathoms Chai buri SI Chang Saen "(Chiang Saen District today), the town Nakhon Chai buri SI Chang Saen fathoms. Created by the first King. The name Kingdom of God sing one revolution. Before I mention the city history wiang SI wiang-Phan 7-wiang phang Kham near term until the current shift to wiang discussed the history of the city of Nakhon Chai buri SI Chang Saen fathoms. Enough in brief