- Sardinia, Sardegna - the Italian region on the island of Sardinia; the kingdom of Sardinia was the nucleus for uniting Italy during the 19th century
--1 is a kind of Italian region
--1 is a part of Italy, Italian Republic, Italia - Sardinia, Sardegna - an island in the Mediterranean west of Italy
--2 is a kind of island
--2 is a part of Mediterranean, Mediterranean Sea