Which country does the Baltic island of Saaremaa belong to?

Saaremaa is the largest island in Estonia, measuring 2,673 km2 (1,032 sq mi). The main island of Saare County, it is located in the Baltic Sea, south of Hiiumaa island and west of Muhu island, and belongs to the West Estonian Archipelago. The capital of the island is Kuressaare, which has about 15,000 inhabitants; the whole island has over 30,966 inhabitants.

The island is called Saaremaa in Estonian, and in Finnish Saarenmaa (literally "isle land" or "island land").

The island forms the main barrier between the Gulf of Riga and the Baltic Sea. To the south of it is the main passage out of the gulf, the Irbe Strait, next to Sõrve Peninsula, the southernmost portion of the island. In Medieval times islanders crossed the strait to form fishing villages on the Livonian coast, notably Pitrags.