Improve Iraq–Saudi Arabia border

Improve Georgia-Turkey border

Improve Namibia-South Africa border

Improve Hungary-Slovakia border

Improve Hungary-Slovakia border

Improve Slovakia-Ukraine border

Improve Italy-San Marino border

Improve Hungary-Serbia border

Improve Hungary-Serbia border

Improve Bulgaria-North Macedonia border

Improve North Macedonia-Serbia border

Correct interwar Estonia-Soviet Union border part 2

Correct interwar Estonia-Soviet Union border

Correct interwar Latvia-Poland border

Fix Principality of Montenegro (1878-1910)

Improve Albania-Montenegro border

Improve Coratia-Montenegro border

Improve Bosnia and Herzegovina-Montenegro border

Improve Albania-Kosovo border

Improve Kosovo-North Macedonia