Flag of croatia Croatia vs Flag of spain Spain

International relations comparison · updated Oct 2026
9.53 / 10
Excellent

The relation between Croatia and Spain is EXCELLENT, and they could be called STRATEGIC ALLIES, with an overall score of 9.53 out of 10.

Chance of conflict between both countries: extremely rare

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Head to head: who leads each category

Population
Croatia 3.9M
Spain 49.4M Leads
GDP
Croatia $105.1B
Spain $1.9T Leads
Military expenditure
Croatia $1.6B
Spain $24.6B Leads
Global influence rank
Croatia #49
Spain #14 Leads

About this relationship

Spain and Croatia maintain close relations based on European integration, trade, tourism, defence, culture and political cooperation. Both countries are members of the European Union, NATO and other European institutions.

Political relations have expanded since Croatia joined the European Union in 2013. Spain and Croatia cooperate closely on European policy, regional security, migration and other issues affecting the EU.

Economic relations include trade and investment in machinery, food products, pharmaceuticals, chemicals, vehicles and services. Spanish companies have opportunities in Croatian infrastructure, energy, tourism and construction.

Tourism is an important connection. Croatia and Spain are major European tourism destinations, and Spanish visitors travel to Croatian coastal and historical destinations while Croatian tourists visit Spain.

Defence cooperation is supported by NATO membership. The two countries participate in allied activities and cooperate on European security, while Spain and Croatia also coordinate within EU defence initiatives.

Cultural relations are extensive. Both countries have strong historical and artistic traditions, and universities, cultural institutions and language programmes provide opportunities for exchanges.

The two governments also cooperate on environmental and energy issues. Croatia's Adriatic position and Spain's experience in renewable energy create opportunities for cooperation concerning sustainable development and maritime policy.

Overall, Spain-Croatia relations are broad and closely integrated through the EU and NATO. Trade, tourism, defence, energy, culture and European policy form the principal pillars of the bilateral relationship.

·
3.9M
Population
49.4MLeads
56.0K km²
Land area
499.0K km²Leads
Zagreb
Capital
Madrid
Christianity
Main religion
Christianity
77 years
Life expectancy
83 years

Strengths & comparison

Population Spain is 12.73x larger
Land area Spain is 8.91x larger

The position in the international influence ranking of Spain is 14, while Croatia is situated 35 places below in the ranking (position 49). Spain maintains contact with 157 countries, while Croatia maintains contact with 58 countries. Spain maintains an excellent relation with 12 countries, while in the case of Croatia, this figure drops to 12.

About Croatia

Croatia is a country located in southeastern Europe on the Adriatic Sea. It is bordered by Slovenia to the northwest, Hungary to the northeast, Serbia to the east, Bosnia and Herzegovina to the southeast, Montenegro to the south, and the Adriatic Sea to the west. Croatia has a population of around 4.1 million people and its capital is Zagreb.

Croatia gained independence from Yugoslavia in 1991 and has since become a member of the European Union and NATO. The country has a mixed economy that is primarily service-based, with a growing tourism industry. Croatia has a parliamentary republic form of government, with the president serving as the head of state and the prime minister serving as the head of government.

Geographically, Croatia is diverse, with a long Adriatic coastline, islands, and a mountainous interior. The country is known for its natural beauty, including national parks, beaches, and cultural sites such as Dubrovnik, a World Heritage-listed city.

Croatia has a complex history and has been influenced by various cultures and empires over the centuries, including the Roman Empire, the Byzantine Empire, and the Austro-Hungarian Empire. The country has a rich cultural heritage, with a mix of Slavic, Mediterranean, and Austro-Hungarian influences. The official language is Croatian, and the majority of the population is Croatian, but there are also minority communities of Serbs, Bosniaks, and other ethnicities.

Geography & terrain

Terrain combines the Dinaric Alps and karst plateaus along the coast with the flat Pannonian plain inland. Climate is Mediterranean on the long, island-studded Adriatic coastline and continental further inland. The mountainous coastal belt and numerous offshore islands have historically offered natural defensive cover, while the open inland plain has been more exposed to overland approach.

About Spain

Spain is a sovereign country located in southwestern Europe on the Iberian Peninsula. It is the fourth largest country in Europe and the second largest country in the European Union (EU). Spain is a parliamentary democracy with a constitutional monarchy, with King Felipe VI serving as the head of state. The government is divided into three branches: the legislative branch, the executive branch, and the judicial branch.

Spain is a member of the EU and the United Nations (UN). It is also a member of various international organizations, such as the World Trade Organization (WTO) and the Organization for Economic Cooperation and Development (OECD). Spain is known for its diverse culture and rich history, and it is a popular destination for tourists from around the world.

Spain has a mixed economy, with a strong service sector and a significant agricultural sector. The country is a major producer of wine, olive oil, and other agricultural products. Spain is also home to a number of major multinational corporations and is a hub for technology and innovation.

Spain has had a complicated history with regards to its political and cultural identity. The country was ruled by a fascist dictatorship under General Francisco Franco from 1939 until his death in 1975. Since then, Spain has made the transition to a democratic society, although there are still ongoing debates about the role of regional identity in the country.

Geography & terrain

Mostly high plateau (the Meseta) ringed by mountain ranges — the Pyrenees seal off the border with France, and the Sierra Nevada rises in the south. Mediterranean climate on the coasts, drier and more continental inland. Historically hard to conquer outright: the mountainous interior has repeatedly slowed invading armies, though the long, exposed coastline (Atlantic and Mediterranean) has made it easy to raid or blockade by sea.

Source: World Bank Open Data. Most recent available data
Croatia Spain
Government type Parliamentary republic Parliamentary constitutional monarchy
GDP $105.1B $1.9TLeads
GDP per capita $27.1K $38.6KLeads
Military expenditure $1.6B $24.6BLeads
Military expenditure per capita $420 $499Leads
Land military expenditure (estimation) $814.5M $8.6BLeads
Air military expenditure (estimation) $407.3M $7.4BLeads
Naval military expenditure (estimation) $407.3M $8.6BLeads
Nuclear power No No
European Union Member Member
NATO Member Member

Both Croatia and Spain are members of the European Union.Both Croatia and Spain are members of NATO.

Strengths & comparison

Military expenditure Spain is 15.11x larger
Land (estimation)
$814.5M$8.6B
Air (estimation)
$407.3M$7.4B
Naval (estimation)
$407.3M$8.6B

The capitals of Croatia and Spain are approximately 1 701 km apart (straight-line distance). Both countries share the same standard time zone.

Based on shared language, currency, economic profile, borders and international groups, Croatia and Spain score a 65/100 similarity index. This is a fun, approximate metric — not a scientific one.

Excellent relation (7+/10) with both countries

Slovenia Canada Slovakia Greece Finland North Macedonia Chile Bulgaria Sweden Denmark

Which side is each country closer to?

Map legend
Closer to Croatia Closer to Spain

Comparing Croatia's and Spain's scores against the same third countries shows where each one has a clear edge. Croatia scores noticeably higher with: United States, Israel, Mexico, Russia, Syria.Spain scores noticeably higher with: Hungary, Serbia, Turkey, Argentina, Czech Republic.

The relation between Croatia and Spain has decreased recently by 0.3 points, reaching an overall score of 9.5 from a previous value of 9.8.

Score history

Feb 2022: 8.6/10 Mar 2022: 9.2/10 May 2022: 9.2/10 Jul 2022: 9.2/10 Sep 2022: 9.2/10 Oct 2022: 9.2/10 Nov 2022: 9.2/10 Dec 2022: 9.2/10 Jan 2023: 9.2/10 Jun 2023: 9.3/10 Oct 2023: 9.3/10 Nov 2023: 9.3/10 Jan 2024: 9.2/10 Feb 2024: 9.2/10 Mar 2024: 9.2/10 May 2024: 9.2/10 Aug 2024: 9.2/10 Apr 2025: 9.2/10 Aug 2025: 9.8/10 Aug 2026: 9.5/10
2022 2023 2024 2025 2026
9.8 9.5

Let's suppose a hypothetical conflict occurs between both countries:

Solo scenario: Croatia vs Spain
Croatia 26.0% Spain 74.0%Winner
Allies scenario: Team Croatia vs Team Spain

In a hypothetical conflict between Croatia and Spain, probably, United States will participate helping Croatia.
No country will participate helping Spain.

Croatia 75.9%Winner Spain 24.1%
Map legend
Croatia & allies Spain & allies
Battle narrative

Initial phase

Spain's larger military budget and stronger air power give it an advantage in the initial stages of the conflict, with the ability to target key military positions and infrastructure.

Force composition

Spain can also call on significantly more personnel, counting both active-duty and reserve forces. Spain's advantage extends to naval power as well.

Ground campaign

Croatia's terrain could make a rapid ground campaign difficult: The mountainous coastal belt and numerous offshore islands have historically offered natural defensive cover, while the open inland plain has been more exposed to overland approach. Zagreb would likely be a focal point of the campaign: The capital sits at the junction of the Pannonian basin's main road and rail routes, controlling movement between Central Europe and the Adriatic. Spain's terrain could make a rapid ground campaign difficult: Historically hard to conquer outright: the mountainous interior has repeatedly slowed invading armies, though the long, exposed coastline (Atlantic and Mediterranean) has made it easy to raid or blockade by sea. Strait of Gibraltar would likely be a focal point of the campaign: The narrow chokepoint linking the Atlantic and Mediterranean is bordered by Spanish territory alongside British Gibraltar. Spain's larger population could also support a prolonged resistance.

Prolonged conflict

Spain's stronger economy could help sustain military operations in a prolonged conflict. Croatia also devotes a larger share of its economy to defense (about 1.6% of GDP), a more militarized posture that could be easier to sustain over time. Occupying Croatia outright would likely prove costly given its terrain.

Overall assessment

Overall, the numbers favor Spain, giving it an estimated 74.0% chance of coming out on top. Turning that edge into a decisive win over Croatia — and holding any ground taken — would still be far from guaranteed.

Want to build your own teams? Try the War Simulator.

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