Largest Bank in Spain: Banco Santander

Banco Santander, S.A. is the **largest bank in Spain** and the **Eurozone by market capitalization** (~€60B+), ranking ~16th globally.

Key Facts:

• Founded: 1857 (Santander, Cantabria).
• Headquarters: Madrid (Ciudad Financiera).
• Footprint: 30+ countries; 150M+ customers; 190k+ employees.
• Core Markets: Spain, UK (Santander UK), Brazil, Mexico, USA, Chile, Portugal, Poland.
• Segments: Retail, Corporate & Investment, Wealth Management, Consumer Finance (Santander Consumer Finance — Europe's #1 auto lender).
• Digital: Openbank, Superdigital, heavy fintech investment.

Major Spanish Peers: BBVA (2nd), CaixaBank (3rd, merged Bankia), Sabadell, Unicaja, Bankinter.

Santander's geographic diversification (LatAm + Europe) distinguishes it from more domestically focused rivals.