Relationship dossier
Czech Republic
Slovakia
Relationship assessment
Close Czech-Slovak partnership, with a recent foreign-policy dispute over Ukraine
Czech Republic toward Slovakia
+70Czechia has maintained close bilateral cooperation with Slovakia under the 1992 Treaty on Good Neighbourly Relations and Friendly Cooperation, including regular government-level engagement. In 2024, the Czech government suspended intergovernmental consultations with Slovakia amid differences over the war in Ukraine.
Slovakia toward Czech Republic
+70Slovakia has maintained close bilateral cooperation with Czechia under the 1992 Treaty on Good Neighbourly Relations and Friendly Cooperation and through regular government-level engagement. In 2024, Slovakia’s differing position on the war in Ukraine contributed to the Czech decision to suspend intergovernmental consultations.
Overall relationship
+70The relationship rests on a negotiated, peaceful separation, a durable bilateral treaty and extensive ongoing cooperation. Disagreements over Ukraine policy led to a pause in intergovernmental consultations in 2024, but did not displace the broader structure of close bilateral relations.
How to read these scores
Scores are rough judgments, not objective measurements or current verification. Directional scores describe government policy and conduct, not public opinion. The overall score is an independent estimate, never an average.
- −100
- Extreme sustained hostility
- −50
- Substantially adversarial
- 0
- Mixed or neutral, supported by knowledge
- +50
- Substantially cooperative
- +100
- Exceptionally close sustained partnership
“Not assessed” means there is no recorded score. Pair existence makes no claim about diplomatic recognition or established relations.
Relationship context
Overview
Czechia and Slovakia maintain exceptionally close relations shaped by their shared statehood and the peaceful dissolution of Czechoslovakia. A bilateral friendship treaty and sustained cooperation across government, security and European affairs underpin the relationship. In 2024, Czechia suspended intergovernmental consultations amid disagreements over policy toward Russia’s war in Ukraine, creating a notable but limited strain within a long-standing partnership.
Areas of tension
- Differences over policy toward Russia’s war in Ukraine led to a pause in intergovernmental consultations in 2024.
Key developments
Czechoslovakia dissolved peacefully, establishing Czechia and Slovakia as separate states.
Czechia and Slovakia signed the Treaty on Good Neighbourly Relations and Friendly Cooperation.
Czechia suspended intergovernmental consultations with Slovakia amid disagreements over policy toward the war in Ukraine.
Major uncertainties
- The duration and practical effects of the 2024 pause in intergovernmental consultations are unclear.
- The extent of cooperation across individual policy areas varies over time.