Germany:
- Historical conflicts include the partitions of Poland in the 18th century and the World Wars in the 20th century.
Russia:
- A long history of territorial disputes and political conflicts.
Ukraine:
- Ongoing tensions related to historical and territorial issues, including the treatment of ethnic minorities.
Belarus:
- Diplomatic tensions and disagreements over political issues.
However, it's important to note that these tensions vary in their intensity and nature, and both Poland and the countries mentioned have taken steps toward diplomatic relations and cooperation in various areas.