sentences:  To the south is Tboung Khmom district and the Kampong Cham district of Kampong Siem lies across the river to the west.Formerly part of Kampong Cham Province, Krouch Chhmar is one of six districts split off to form the new province of Tboung Khmum on 31 December 2013.The Krouch Chhmar district governor reports to the Governor of Kampong Cham.