Intergenic region
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An Intergenic region is a stretch of DNA sequences located between clusters of genes that comprise a large percentage of the human genome but contain few or no genes. Occasionally some intergenic DNA acts to control genes close by, but most of it has no currently known function. Also known as junk DNA.
This could also be where the noncoding RNAs are located. Though little is known about them, they are thought to have regulatory functions.