In prokaryotes, the region where DNA is found and held with some proteins is termed the "nucleoid." Unlike eukaryotic cells, prokaryotic cells lack a true nucleus and membrane-bound organelles. Instead, the genetic material, consisting of circular DNA molecules, is located in the nucleoid region within the cytoplasm. The nucleoid is where the prokaryotic DNA is compactly organized and associated with various proteins that help in its structure, condensation, and regulation of gene expression. Therefore, the correct term for the region where prokaryotic DNA is held with some proteins is the "nucleoid."

 DNA (being negatively charged) is held with some proteins (that have positive charges) in a region termed as ‘nucleoid’. The DNA in nucleoid is organised in large loops held by proteins.