Detailed Explanation:

Correct Answer: ✅ Option 4 (None)

All three pairs are incorrectly matched. The question tests knowledge of important regions and islands of Europe and their respective countries.

❌ Pair I is Incorrect: Mallorca is part of Spain, not Italy. It is the largest island of the Balearic Islands in the Mediterranean Sea.

❌ Pair II is Incorrect: Normandy is a historic and administrative region of France, not Spain.

❌ Pair III is Incorrect: Sardinia is an island belonging to Italy, not France.

Short Notes: Important Regions of Europe

• Mallorca is the largest island of Spain's Balearic Islands.

• Normandy is located in northwestern France along the English Channel.

• Normandy is famous for the D-Day Landings (1944) during Normandy Landings.

• Sardinia is the second-largest island in the Mediterranean Sea after Sicily.

• Sardinia is an autonomous region of Italy.

• The Balearic Islands include Mallorca, Menorca, Ibiza, and Formentera.

• European map-based questions are common in UPSC examinations.