Territories of Ukraine under Russian military occupation: Crimea (with Sevastopol) seized and annexed in March 2014 as the "Republic of Crimea", then, after the February 2022 full-scale invasion, a land corridor across the south-east — most of Luhansk and Donetsk oblasts and the southern parts of Zaporizhzhia and Kherson — roughly a fifth of the country.
The atlas holds 2 border frames for Russian-occupied Ukraine — the shape you scrub through changes in 2014 · 2022.
The leading historian of Ukraine on the war, from the 2014 seizure of Crimea to the full-scale invasion.