What territories did roman have to conquer?

The Romans conquered lands which are now in the modern counties of Italy, Malta, Spain, Portugal, France, Britain and Wales, Belgium, Luxembourg, Holland south of the River Rhine, Southern Germany and part of central Germany, Switzerland, Austria, part of western Slovakia, the former Yugoslavia, Albania, Bulgaria, part of Romania, a slither of Moldova, Greece, Cyprus, Turkey, northern Iraq, Syria, Lebanon, Israel/Palestine, a slice of the coast of the Red sea coast of Saudi Arabia, Egypt, coastal Libya, Tunisia, coastal Algeria and northern Morocco.