Tboung Khmum () is a district (srok) located in Tboung Khmum province, Cambodia. The district capital is Tboung Khmum town located around 20 kilometres east of the provincial capital of Kampong Cham by road. Tboung Khmum was formerly a central district of Kampong Cham before Tboung Khmum Province was formed from land formerly part of Kampong Cham. The district shares no borders with other provinces and is home to the huge Chup Rubber plantation. The plantation covers much of the land area of the district and contributes a large proportion to the district and provincial economy. The district is easily accessed by road from Kampong Cham city, Kratie or Prey Veng. Tboung Khmum is one of the largest districts in Tboung Khmum Province both by land area and by population, and only Memot district has a larger area. National Highway 7 bisects the district running from east to west. National Highway 11 runs from Nhek Loeung in Prey Veng province and ends at Slab Kadoung on National Highway 7 in Tboung Khmum district. National road 73 begins near the eastern border of the district and runs north to Chhloung town in Chhloung district in Kratie. In 2001, the Kizuna bridge was opened in what was then Kampong Cham District. It was the first bridge to be built over the Mekong river in Cambodia. The Kizuna bridge links eastern and western Cambodia by road for the first time. It links the provincial capital of Kampong Cham with Tonle Bet in Tboung Khmum district. Construction of the bridge began in 1999 and took three years to complete. An estimated 10,000 people crowded the bridge for the opening ceremony. Tum Teav Tum Teav, the 'Romeo & Juliet' of Cambodian literature, was set in Tboung Khmum district. This epic poem, handed down through the generations by oral poets, was translated into French by Étienne Aymonier in 1880. Palm-leaf versions of the story were recorded by Santhor Mok and the Venerable Botumthera Som. The most recent literary version was composed by Nou Kan. The much-loved story has been adapted to theatre, song and film in recent years. Tum Teav is a classic tragic love story that has been told throughout Cambodia since at least the middle of the 19th century. It is originally based on a poem and is the considered the "Cambodian Romeo and Juliet" tale. It was popularized by writer George Chigas and