Byzantine Empire in AD 1000 at a glance
In AD 1000 the empire covered about 854,602 km². That is 70.6% less than at AD 565. It took in all or part of 7 modern countries, with the biggest shares of Greece (100%), Turkey (79%) and Cyprus (62%).
Basil II was fighting the long war against Bulgaria that would make the empire strong in the Balkans. His court at Constantinople was one of the richest in Europe.
Basil II rules a resurgent Byzantine Empire. Ruler at the time: Basil II.
- 854,602 km²area of the empire
- -70.6%since AD 565
- 7modern countries inside
Built from modern administrative units (Natural Earth admin-1) chosen to match the Byzantine themes; coarse, and Bulgaria was only taken in 1018. This outline is built from modern regions (Natural Earth states and provinces), so it follows modern boundaries and is coarser than the others. Borders are approximate and debated.
What changed since AD 565
The area fell by about 2,055,766 km² (70.6%), from 2,910,368 km² to 854,602 km². There is no province table for this date, so the map compares areas only.
Modern countries no longer inside: Algeria, Austria, Bosnia and Herzegovina, Croatia, Egypt, France, Iraq, Israel, Jordan, Kosovo, Lebanon, Libya, Malta, Montenegro, North Macedonia, Palestine, Romania, San Marino, Saudi Arabia, Serbia, Slovenia, Spain, Switzerland, Tunisia and Vatican City.
Which modern countries were inside the empire in AD 1000?
7 modern countries were at least partly inside the empire. The share is the part of today's country that fell inside the outline above. The largest shares were Greece, Turkey, Cyprus, Bulgaria, Italy and Albania.
| Country | Share inside | Area inside (km²) |
|---|---|---|
| Roman Greece | 100% | 131,353 |
| Roman Turkey | 79% | 617,199 |
| Roman Cyprus | 62% | 5,736 |
| Roman Bulgaria | 47% | 52,462 |
| Roman Italy | 15% | 44,635 |
| Roman Albania | 2.8% | 806 |
| Roman Syria | 1.3% | 2,407 |
Shares are measured against the part of each country inside a box around the Mediterranean world, so overseas territories do not count. A country counts as inside only above 1% of its area or 500 km².