This property defines the Unicodes which belongs to Oriya block
Characters like ଁ,ଂ,ଃ, etc. are listed under Oriya Block.
106 Characters are present in Oriya Block starting with the Unicode point U+0B01 that represents the character ଁ.
Currently, as per latest version 15.0.0, Unicode supports 328 number of Block. Here are a few examples - Latin Extended E,Adlam,Aegean Numbers, etc.