An optical disc and method of recording physical address information on the optical disc, the optical disc including a first recording area ranging from an innermost circumference to a predetermined position, and a second recording area ranging from the predetermined position to an outermost circumference. Data is recorded in the first recording area in units of first recording blocks shorter than a predetermined track in the first recording area and is recorded in the second recording area in units of second recording blocks longer than the first recording blocks. First format address information indicating physical address information of a first recording block is recorded in the first recording area and second format address information indicating physical address information of a second recording block is recorded in the second recording area.