'The Lemon') is a district (srok) located in Tboung Khmum Province, Cambodia.

[3] Not surprisingly, communities in this isolated district are mostly clustered along the banks of the river and boats are an important form of transport.

The district is easily accessed by boat from neighboring Kampong Cham Province.

[4] Krouch Chhmar district is also the birthplace of Cambodia's first lady, Bun Rany the wife of Prime Minister Hun Sen. Bun Rany was born in 1954 in Roka Khnaor, Krouch Chhmar district, the fourth of five children from a farming family.

[5] Bun Rany joined the Khmer Rouge in 1970, after the coup by Lon Nol and received medical training.