 The Romans would later refer to Ireland by this name too in its <unk> form , <unk> , or Scotia . Ptolemy records sixteen nations inhabiting every part of Ireland in 100 AD . The relationship between the Roman Empire and the kingdoms of ancient Ireland is unclear . However , a number of finds of Roman coins have been made , for example at the Iron Age settlement of <unk> Hill near <unk> and <unk> . 
