Spanish Citizens need Visa

The Spanish passport grants access to 174 out of 198 countries. However, for the remaining 24, obtaining a visa and completing specific procedures according to each country's legislation is necessary. Recently, some countries like Australia, Canada, and the United States have introduced eVisa requirements, which involve filling out a digital document before traveling, despite previously allowing entry with minimal formalities.

The 24 states requiring visas or electronic visas:

Afghanistan - Visa required

Algeria - Visa required

Central African Republic - Visa required

Chad - Visa required

Congo - Visa required

Eritrea - Visa required

Liberia - Visa required

Mali - Visa required

Nauru - Visa required

Niger - Visa required

North Korea - Visa required

Sudan - Visa required

Syria - Visa required

Turkmenistan - Visa required

Ghana - Visa required

Yemen - Visa required

Benin - Electronic visa

Bhutan - Electronic visa

Cameroon - Electronic visa

Gabon - Electronic visa

Libya - Electronic visa

Myanmar - Electronic visa

Equatorial Guinea - Electronic visa

Nigeria - Electronic visa

On the other hand, some countries, while not as strict with Spanish passports, require a simple prior procedure for entry. 

Some limit stays to 30 or 90 days, while others require an Electronic Travel Authorization (eTA).

Australia - Online visitors authorization / 90 days

Azerbaijan - Electronic visa / 30 days

Bangladesh - Visa on arrival / 30 days

Burkina Faso - Visa on arrival / eVisa / 90 days

Burundi - Visa on arrival / 30 days

Cambodia - Visa on arrival / eVisa / 30 days

Canada - eTA (Electronic Travel Authorization) / 180 days

Cuba - Tourist card

Egypt - Visa on arrival / eVisa / 30 days

United States - eVisa

Equatorial Guinea - Electronic visa

Ethiopia - Visa on arrival / eVisa / 90 days

Tanzania - Visa on arrival / eVisa

India - Electronic visa / 30 days

Indonesia - Visa on arrival / eVisa / 30 days

Iran - Visa on arrival / eVisa / 30 days

Iraq - Visa on arrival / 60 days

Kenya - eTA / 90 days

Kuwait - Visa on arrival / eVisa / 90 days

Madagascar - Visa on arrival / eVisa / 90 days

Malawi - Visa on arrival / eVisa / 30 days

Maldives - Visa on arrival / 30 days

Nepal - Visa on arrival / eVisa / 150 days

New Zealand - eTA / 90 days

It is highly recommended to do consultation with embassy or immigration department before travel about visa requirements.