Hobnob at Ming Muang Grounds

Muang is easily translated to town
Ming on the other hand gets a bit more complicated.
It is doubtful that it has anything to do with a Chinese dynasty centuries ago.

Google ming muang grounds and you find the name used all over Thailand.

http://www.thai-language.com/dict/search has some interesting answers: "
to converse, mingle, mix, blend, combine, intermingle, interweave, join, merge, unite; associate, consort, fraternize, hang about or around, hobnob, rub shoulders (informal), socialize"

Google maps erroneously labels the area a stadium. I have frequently referred to the area as the Municipal grounds. The name is most appropriate.
Government Office on the map is actually the Sakon Nakhon Immigration office.