Location: The nucleus is located usually near the center of the cell, but it can vary where it is. It is not usually found at the edge of cells, though, because that might be hazardous for it to be there.
Structure: The nucleus is composed with an outside of a nuclear envelope, chromatin and chromosomes on the inside, and in the center of the nucleus there is found a nucleolus.
Function: The nucleus functions as a center for all of the information in your cells to be stored.