What countries does the ancient Roman Empire include today?

As can be seen from the map, the ancient Roman Empire included: Italy, France, Britain, Spain, Portugal, Switzerland, Slovenia, Croatia, Bosnia and Herzegovina, Serbia and Herzegovina, Macedonia, Greece, Turkey, Lebanon, Syria, and Iraq. , Kuwait, Romania, Bulgaria, Albania, Georgia, Armenia, Azerbaijan, Jordan, Palestine, Israel, Egypt, Libya, Algeria, Tunisia, Morocco, Cyprus, Malta, Luxembourg, San Marino, Vatican City, Austria, Liechtenstein, Monaco, Andorra, Slovakia, Czech Republic, Hungary and other countries.

During the reign of Emperor Trajan (98-117 AD) of the Antonine dynasty, the Roman Empire reached its largest territory and its economy was unprecedentedly prosperous. It stretched from Spain and Britain in the west to the upper reaches of the Euphrates River in the east and from Africa in the south. In the north, reaching the Rhine and Danube rivers, the Mediterranean became the inland sea of ??the empire.