▁Na ▁N uan , ▁N ong ▁Rak hang , ▁and ▁Ph on ▁Ko ▁were ▁split ▁off ▁from ▁R attan ab uri ▁District . ▁It ▁was ▁upgrad ed ▁to ▁a ▁full ▁district ▁on ▁ 1 2 ▁April ▁ 1 9 7 7 . ▁ ▁Geography ▁Ne igh bor ing ▁districts ▁are ▁( from ▁the ▁north ▁clock wise ): ▁R attan ab uri , ▁Non ▁Nar ai , ▁Sam rong ▁Th ap , ▁S ik hor aph um , ▁Ch om ▁Ph ra ▁and ▁Th a ▁T um . ▁ ▁Administration ▁The ▁district ▁is ▁divided ▁into ▁seven ▁sub - d istrict s ▁( t amb ons ), ▁which ▁are ▁further ▁sub div ided ▁into ▁ 7 8 ▁villages ▁( m ub ans ). ▁San om ▁is ▁a ▁town ship ▁( thes aban ▁tamb on ) ▁which ▁covers ▁parts ▁of ▁tamb on ▁San om . ▁There ▁are ▁a ▁further ▁seven ▁tamb on ▁administrative ▁organizations ▁( TA O ). ▁ ▁References ▁ ▁External ▁links ▁am ph oe . com ▁ ▁San om <0x0A> </s> ▁Break room ▁Live ▁with ▁Mar on ▁& ▁S eder ▁was ▁an ▁hour long ▁web cast ▁that ▁a ired ▁week days ▁at ▁ 3 ▁p . m . ▁Eastern . ▁Marc ▁Mar on ▁and ▁Sam ▁S eder ▁hosted ▁the ▁show ▁from ▁the ▁actual ▁break ▁room ▁at ▁Air ▁America ▁Media ▁in ▁New ▁York ; ▁the ▁show ▁was ▁ev oc ative ▁of ▁past ▁shows ▁done ▁by ▁Mar on ▁and ▁S eder ▁on ▁the ▁network — polit ical ▁comment ary ▁inter sp ers ed ▁with ▁com edic